Name: Igor Sijsling
Country: Holland
Birthdate: 18.08.87, 36 years
Height: 190 cm
Weight: 80 kg
Right-handed
ATP ranking: 854
TOP ranking's position: 52 (19.05.14, 910 points)
Points: 15
Prize money: 2225903 $
Matches total: 916
Win: 527
%: 57.53 %
Country: Holland
Birthdate: 18.08.87, 36 years
Height: 190 cm
Weight: 80 kg
Right-handed
ATP ranking: 854
TOP ranking's position: 52 (19.05.14, 910 points)
Points: 15
Prize money: 2225903 $
Matches total: 916
Win: 527
%: 57.53 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2023 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2021 | 12/18 | 1/2 | 8/11 | 2/4 | 0/0 | 1/1 | 0/0 |
| 2020 | 28/6 | 0/0 | 11/2 | 15/2 | 2/2 | 0/0 | 0/0 |
| 2019 | 46/17 | 10/5 | 17/7 | 9/5 | 10/0 | 0/0 | 0/0 |
| 2018 | 32/16 | 0/2 | 6/5 | 17/7 | 9/2 | 0/0 | 0/0 |
| 2017 | 17/21 | 0/3 | 4/8 | 10/7 | 3/3 | 0/0 | 0/0 |
| 2016 | 27/26 | 3/4 | 11/13 | 9/5 | 0/0 | 4/4 | 0/0 |
| 2015 | 29/26 | 4/8 | 7/6 | 9/7 | 5/1 | 4/4 | 0/0 |
| 2014 | 29/38 | 2/9 | 7/12 | 17/13 | 0/0 | 3/4 | 0/0 |
| 2013 | 34/29 | 6/12 | 5/5 | 17/9 | 0/0 | 6/3 | 0/0 |
| 2012 | 48/24 | 18/6 | 8/6 | 15/8 | 5/0 | 2/4 | 0/0 |
| 2011 | 22/24 | 5/9 | 8/5 | 5/6 | 0/2 | 4/2 | 0/0 |
| 2010 | 42/29 | 13/11 | 3/4 | 16/11 | 9/1 | 1/2 | 0/0 |
| 2009 | 43/29 | 27/15 | 6/7 | 5/5 | 0/1 | 5/1 | 0/0 |
| 2008 | 26/16 | 9/4 | 16/9 | 0/0 | 0/0 | 1/3 | 0/0 |
| 2007 | 37/29 | 7/3 | 9/13 | 12/8 | 9/5 | 0/0 | 0/0 |
| 2006 | 42/20 | 4/2 | 32/12 | 6/6 | 0/0 | 0/0 | 0/0 |
| 2005 | 12/14 | 6/4 | 5/5 | 0/1 | 0/2 | 1/2 | 0/0 |
| 2004 | 1/6 | 0/1 | 0/2 | 1/2 | 0/1 | 0/0 | 0/0 |
| TOTAL | 527/389 | 115/101 | 163/132 | 165/106 | 52/20 | 32/30 | 0/0 |
| perc. % | 57.53 % | 53.24 % | 55.25 % | 60.89 % | 72.22 % | 51.61 % | 0 % |
Igor Sijsling / scheduled / last
| no matches found |
Igor Sijsling form / surface: Clay
Igor Sijsling / surface: Clay
| 27.09.21 | 1st round | Andrea Pellegrino | Igor Sijsling | 6-0, 6-4 |  | match details |  Lisbon Challenger | Clay |
| 21.09.21 | 1st round | Michael Vrbensky | Igor Sijsling | 6-1, 6-4 | | match details | Braga Challenger | Clay |
| 27.08.21 | 1/2 | Franco Agamenone | Igor Sijsling | 6-3, 6-0 | | match details |  Prague 3 | Clay |
| 26.08.21 | 1/4 | Igor Sijsling | Kaichi Uchida | 7-5, 6-3 |  | match details | ||
| 25.08.21 | 2nd round | Igor Sijsling | Matheus Pucinelli De Almeida | 6-2, 2-6, 3-2, Matheus Pucinelli De Almeida - retired | | match details | ||
| 24.08.21 | 1st round | Igor Sijsling | Daniel Siniakov | 6-4, 6-3 | | match details | ||
| 12.07.21 | 1st round | Felipe Meligeni Alves | Igor Sijsling | 7-5, 6-2 | | match details |  Iasi Challenger | Clay |
| 04.07.21 | q 1 | Diego Hidalgo | Igor Sijsling | 6-3, 3-6, 6-4 | | match details |  Braunschweig Challenger | Clay |
| 16.06.21 | 2nd round | Mats Moraing | Igor Sijsling | 3-6, 6-4, 6-2 | | match details |  Forli Challenger | Clay |
| 14.06.21 | 1st round | Igor Sijsling | Andrea Pellegrino | 6-2, 7-65 | | match details | ||
| 25.05.21 | 1st round | Timofey Skatov | Igor Sijsling | 2-6, 6-2, 7-64 | | match details | Oeiras 4 | Clay |
| 27.04.21 | 1st round | Danilo Petrovic | Igor Sijsling | 6-1, 7-66 | | match details | Rome 2 | Clay |
| 26.04.21 | qual. | Igor Sijsling | Zizou Bergs | 7-65, 6-1 | | match details | ||
| 25.04.21 | q 1 | Igor Sijsling | Alexey Vatutin | 6-3, 6-0 | | match details | ||
| 11.04.21 | q 1 | Marco Trungelliti | Igor Sijsling | 6-3, 6-3 | | match details |  Belgrade Challenger | Clay |
| 02.04.21 | 1/4 | Marco Trungelliti | Igor Sijsling | 6-3, 6-4 | | match details | Oeiras 1 | Clay |
| 31.03.21 | 2nd round | Igor Sijsling | Gian Marco Moroni | 6-2, 6-2 | | match details | ||
| 30.03.21 | 1st round | Igor Sijsling | Manuel Guinard | 6-1, 7-5 | | match details | ||
| 23.03.21 | 1st round | Gianluca Mager | Igor Sijsling | 6-4, 4-6, 6-4 | | match details |  Zadar Challenger | Clay |
| 28.11.20 | q 1 | Duje Ajdukovic | Igor Sijsling | 6-2, 6-1 | | match details | Maia Challenger | Clay |
| 30.08.20 | fin | Igor Sijsling | Jacopo Berrettini | 6-2, 6-1 | | match details |  M15 Alkmaar | Clay |
| 29.08.20 | 1/2 | Igor Sijsling | Jesper De Jong | 6-3, 6-2 | | match details | ||
| 28.08.20 | 1/4 | Igor Sijsling | Shintaro Mochizuki | 6-1, 6-1 | | match details | ||
| 27.08.20 | 2nd round | Igor Sijsling | Pol Martin Tiffon | 6-4, 6-4 | | match details | ||
| 26.08.20 | 1st round | Igor Sijsling | Sidane Pontjodikromo | 6-1, 6-0 | | match details | ||
| 21.08.20 | 1/4 | Manuel Guinard | Igor Sijsling | 6-1, 6-3 | | match details |  M25 Vogau | Clay |
| 20.08.20 | 2nd round | Igor Sijsling | Tobias Simon | 7-5, 6-4 | | match details | ||
| 19.08.20 | 1st round | Igor Sijsling | Artem Dubrivnyy | 6-72, 6-3, 6-4 | | match details | ||
| 18.08.20 | qual. | Igor Sijsling | Lenny Hampel | 6-2, 6-1 | | match details | ||
| 17.08.20 | q 2 | Igor Sijsling | Matic Spec | 6-4, 6-4 | | match details | ||
| 16.08.20 | q 1 | Igor Sijsling | Jakob Aichhorn | 6-1, 6-1 | | match details | ||
| 17.07.20 | 1st round | Igor Sijsling | Florian Broska | 6-4, 5-7, 6-3 | | match details |  All Lower | Clay |
| 19.12.19 | 2nd round | Benjamin Dhoe | Igor Sijsling | 6-3, 6-4 | | match details |  M15 Antalya | Clay |
| 17.12.19 | 1st round | Igor Sijsling | Richard Zusman | 6-4, 6-2 | | match details | ||
| 13.12.19 | 2nd round | Patrik Rikl | Igor Sijsling | 2-0, Igor Sijsling - retired | | match details | M15 Antalya | Clay |
| 10.12.19 | 1st round | Igor Sijsling | Gorazd Srbljak | 6-4, 6-4 | | match details | ||
| 20.07.19 | 1/2 | Mats Moraing | Igor Sijsling | 6-4, 6-3 | | match details | Amersfoort Challenger | Clay |
| 19.07.19 | 1/4 | Igor Sijsling | Daniel Gimeno-Traver | 6-3, 7-5 | | match details | ||
| 18.07.19 | 3rd round | Igor Sijsling | Sebastian Fanselow | 7-5, 6-3 | | match details | ||
| 17.07.19 | 2nd round | Igor Sijsling | Johan Sebastien Tatlot | 6-3, 7-5 | | match details | ||
| 16.07.19 | 1st round | Igor Sijsling | Julian Lenz | 6-4, 6-1 | | match details | ||
| 15.07.19 | qual. | Igor Sijsling | Sergio Martos Gornes | 6-1, 6-1 | | match details | ||
| 06.07.19 | 1/2 | Matias Zukas | Igor Sijsling | 7-65, 1-6, 6-3 | | match details | M15 Den | Clay |
| 05.07.19 | 1/4 | Igor Sijsling | Manuel Guinard | 6-0, 6-2 | | match details | ||
| 04.07.19 | 2nd round | Igor Sijsling | Bart Van Den Berg | 6-3, 6-2 | | match details | ||
| 03.07.19 | 1st round | Igor Sijsling | Mats Hermans | 6-2, 6-1 | | match details | ||
| 28.06.19 | 1/4 | Jesper De Jong | Igor Sijsling | 7-63, 3-6, 6-4 | | match details | M15 Alkmaar | Clay |
| 27.06.19 | 2nd round | Igor Sijsling | Michiel De Krom | 6-3, 6-3 | | match details | ||
| 26.06.19 | 1st round | Igor Sijsling | Roy De Valk | 4-6, 6-1, 6-2 | | match details | ||
| 18.05.19 | 1/2 | Botic Van De Zandschulp | Igor Sijsling | 4-6, 6-4, 6-3 | | match details |  M25 Doboj | Clay |
| 17.05.19 | 1/4 | Igor Sijsling | Milan Drinic | 1-6, 6-2, 6-3 | | match details | ||
| 16.05.19 | 2nd round | Igor Sijsling | Jakob Sude | 6-2, 6-1 | | match details | ||
| 15.05.19 | 1st round | Igor Sijsling | Frane Nincevic | 2-6, 6-1, 6-4 | | match details | ||
| 10.05.19 | 2nd round | Igor Sijsling | Wilson Leite | 4-6, 7-5, 6-4 | | match details | M25 Prijedor | Clay |
| 10.05.19 | 1/4 | Nerman Fatic | Igor Sijsling | 6-0, 6-3 | | match details | ||
| 08.05.19 | 1st round | Igor Sijsling | Gorazd Srbljak | 6-4, 6-3 | | match details | ||
| 25.08.18 | q 1 | Facundo Arguello | Igor Sijsling | 7-5, 6-1 | | match details | Como Challenger | Clay |
| 27.06.18 | 1st round | Filip Bergevi | Igor Sijsling | 6-1, 6-2 | | match details | Germany F5 | Clay |
| 25.06.18 | q 2 | Igor Sijsling | Quentin Folliot | 6-2, 6-4 | | match details | ||
| 25.06.18 | qual. | Igor Sijsling | Jannik Rother | 6-1, 6-3 | | match details | ||
| 17.05.18 | 2nd round | Jiri Vesely | Igor Sijsling | 6-3, 4-6, 6-2 | | match details | Heilbronn Challenger | Clay |
| 15.05.18 | 1st round | Igor Sijsling | Darian King | 6-4, 4-1, Darian King - retired | | match details | ||
| 14.05.18 | qual. | Igor Sijsling | Miliaan Niesten | 6-3, 6-2 | | match details | ||
| 13.05.18 | q 2 | Igor Sijsling | Christoph Negritu | 6-4, 6-0 | | match details | ||
| 17.04.18 | 1st round | Germain Gigounon | Igor Sijsling | 6-4, 6-2 | | match details | Portugal F8 | Clay |
| 12.04.18 | 2nd round | Germain Gigounon | Igor Sijsling | 6-4, 6-3 | | match details | Portugal F7 | Clay |
| 12.04.18 | 1st round | Igor Sijsling | Joao Monteiro | 6-2, 6-1 | | match details | ||
| 07.08.17 | 1st round | Lukas Ollert | Igor Sijsling | 6-75, 7-61, 6-1 | | match details | Austria F6 | Clay |
| 01.08.17 | 1st round | Matthias Bachinger | Igor Sijsling | 7-60, 6-1 | | match details | Italy F24 | Clay |
| 28.07.17 | 1/4 | Sumit Nagal | Igor Sijsling | 6-3, 6-0 | | match details | Italy F23 | Clay |
| 27.07.17 | 2nd round | Igor Sijsling | Matteo Trevisan | 6-2, 3-6, 6-4 | | match details | ||
| 25.07.17 | 1st round | Igor Sijsling | Gianluca Acquaroli | 6-1, 6-3 | | match details | ||
| 11.07.17 | 1st round | Bart Stevens | Igor Sijsling | 7-69, 4-6, 6-4 | | match details | Netherlands F4 | Clay |
| 06.07.17 | 2nd round | Jelle Sels | Igor Sijsling | 6-2, 0-6, 7-5 | | match details | Netherlands F3 | Clay |
| 05.07.17 | 1st round | Igor Sijsling | Maikel Borg | 6-4, 6-2 | | match details | ||
| 22.06.17 | 2nd round | Tim Van Terheijden | Igor Sijsling | 6-4, 6-3 | | match details | Netherlands F1 | Clay |
| 20.06.17 | 1st round | Igor Sijsling | Sam Riffice | 7-5, 7-5 | | match details | ||
| 23.05.17 | q 1 | Jozef Kovalik | Igor Sijsling | 6-4, Igor Sijsling - retired | | match details |  Paris | Clay |
| 24.04.17 | 1st round | Lorenzo Giustino | Igor Sijsling | 6-2, 6-1 | | match details | Francavilla Challenger | Clay |
| 16.08.16 | 1st round | Andrei Vasilevski | Igor Sijsling | 0-0, Igor Sijsling - retired | | match details | Meerbusch Challenger | Clay |
| 12.08.16 | 1/4 | Steve Darcis | Igor Sijsling | 6-1, 6-4 | | match details |  Trnava Challenger | Clay |
| 11.08.16 | 2nd round | Igor Sijsling | Geoffrey Blancaneaux | 6-3, 6-4 | | match details | ||
| 09.08.16 | 1st round | Igor Sijsling | Laslo Djere | 4-6, 6-2, 7-5 | | match details | ||
| 26.07.16 | 1st round | Gleb Sakharov | Igor Sijsling | 2-6, 6-1, 6-4 | | match details | Scheveningen Challenger | Clay |
| 20.07.16 | 2nd round | Nikoloz Basilashvili | Igor Sijsling | 6-4, 4-6, 6-2 | | match details | Kitzbuhel | Clay |
| 18.07.16 | 1st round | Igor Sijsling | Kenny de Schepper | 7-5, 6-2 | | match details | ||
| 12.07.16 | 1st round | Martin Klizan | Igor Sijsling | 6-4, 1-6, 6-3 | | match details | Hamburg | Clay |
| 05.07.16 | 1st round | Nikoloz Basilashvili | Igor Sijsling | 1-6, 6-2, 6-1 | | match details | Braunschweig Challenger | Clay |
| 25.05.16 | 2nd round | Nick Kyrgios | Igor Sijsling | 6-3, 6-2, 6-1 | | match details | Paris | Clay |
| 22.05.16 | 1st round | Igor Sijsling | Adrian Ungur | 6-1, 6-2, 7-65 | | match details | ||
| 20.05.16 | qual. | Kenny de Schepper | Igor Sijsling | 6-3, 6-2 | | match details | ||
| 18.05.16 | q 2 | Igor Sijsling | Grega Zemlja | 6-4, 6-0 | | match details | ||
| 16.05.16 | q 1 | Igor Sijsling | Franko Skugor | 6-76, 7-65, 6-3 | | match details | ||
| 13.05.16 | 1/4 | Nikoloz Basilashvili | Igor Sijsling | 6-2, 3-6, 6-4 | | match details | Heilbronn Challenger | Clay |
| 12.05.16 | 2nd round | Igor Sijsling | Maximilian Marterer | 6-2, 6-4 | | match details | ||
| 10.05.16 | 1st round | Igor Sijsling | Adrian Menendez-Maceiras | 6-1, 7-68 | | match details | ||
| 28.04.16 | 2nd round | Jozef Kovalik | Igor Sijsling | 6-3, 6-4 | | match details | Munich | Clay |
| 27.04.16 | 1st round | Igor Sijsling | Marco Cecchinato | 6-2, 6-4 | | match details | ||
| 24.04.16 | qual. | Igor Sijsling | Jozef Kovalik | 7-64, 6-3 | | match details | ||
| 23.04.16 | q 1 | Igor Sijsling | Andrey Golubev | 6-2, 6-1 | | match details | ||
| 19.04.16 | 1st round | Vincent Millot | Igor Sijsling | 6-3, 7-5 | | match details | Turin Challenger | Clay |
| 11.04.16 | 1st round | Edoardo Eremin | Igor Sijsling | 6-76, 6-4, 6-4 | | match details | Barletta Challenger | Clay |
| 05.04.16 | 1st round | Gastao Elias | Igor Sijsling | 4-6, 6-2, 6-1 | | match details | Napoli Challenger | Clay |
| 13.09.15 | fin | Damir Dzumhur | Igor Sijsling | 6-1, 2-6, 6-1 | | match details | Alphen Challenger | Clay |
| 12.09.15 | 1/2 | Igor Sijsling | Tristan Lamasine | 6-4, 6-3 | | match details | ||
| 11.09.15 | 1/4 | Igor Sijsling | Victor Hanescu | 6-4, 7-66 | | match details | ||
| 10.09.15 | 2nd round | Igor Sijsling | Tallon Griekspoor | 6-1, 6-2 | | match details | ||
| 09.09.15 | 1st round | Igor Sijsling | Vadym Ursu | 6-2, 6-0 | | match details | ||
| 01.09.15 | 1st round | Fernando Romboli | Igor Sijsling | 6-3, 1-6, 6-3 | | match details | Como Challenger | Clay |
| 24.05.15 | 1st round | Ernests Gulbis | Igor Sijsling | 6-4, 6-4, 7-63 | | match details | Paris | Clay |
| 22.05.15 | qual. | Igor Sijsling | Marius Copil | 6-2, 6-4 | | match details | ||
| 21.05.15 | q 2 | Igor Sijsling | Alexander Zverev | 7-60, 2-6, 7-5 | | match details | ||
| 19.05.15 | q 1 | Igor Sijsling | Mitchell Krueger | 4-6, 7-61, 6-1 | | match details | ||
| 12.05.15 | 1st round | Yoshihito Nishioka | Igor Sijsling | 6-4, 6-73, 7-65 | | match details | Heilbronn Challenger | Clay |
| 28.04.15 | 1st round | Tomislav Brkic | Igor Sijsling | 6-4, 7-5 | | match details | Turin Challenger | Clay |
| 21.04.15 | 1st round | Gianluigi Quinzi | Igor Sijsling | 6-2, 7-5 | | match details | Vercelli Challenger | Clay |
| 12.09.14 | Rubber 1 | Mate Delic | Igor Sijsling | 4-6, 6-4, 7-5, 6-2 | | match details | Davis Cup | Clay |
| 05.09.14 | 1/4 | Daniel Munoz-De La Nava | Igor Sijsling | 6-3, 6-2 | | match details | Alphen Challenger | Clay |
| 04.09.14 | 2nd round | Igor Sijsling | Jelle Sels | 6-0, 7-5 | | match details | ||
| 03.09.14 | 1st round | Igor Sijsling | Wesley Koolhof | 6-4, 0-6, 6-0 | | match details | ||
| 23.07.14 | 2nd round | Marin Cilic | Igor Sijsling | 7-5, 6-3 | | match details | Umag | Clay |
| 22.07.14 | 1st round | Igor Sijsling | Julian Reister | 7-62, 6-73, 6-2 | | match details | ||
| 15.07.14 | 1st round | Martin Klizan | Igor Sijsling | 6-4, 3-6, 6-0 | | match details | Hamburg | Clay |
| 09.07.14 | 1st round | Louk Sorensen | Igor Sijsling | 6-4, 6-1 | | match details | Stuttgart | Clay |
| 27.05.14 | 1st round | David Ferrer | Igor Sijsling | 6-4, 6-3, 6-1 | | match details | Paris | Clay |
| 19.05.14 | 1st round | Jiri Vesely | Igor Sijsling | 7-62, 6-3 | | match details | Dusseldorf | Clay |
| 14.05.14 | 2nd round | Tommy Haas | Igor Sijsling | 7-66, 6-1 | | match details | Rome | Clay |
| 13.05.14 | 1st round | Igor Sijsling | Marco Cecchinato | 7-64, 7-5 | | match details | ||
| 07.05.14 | 2nd round | Jarkko Nieminen | Igor Sijsling | 6-3, 6-2 | | match details |  Madrid | Clay |
| 06.05.14 | 1st round | Igor Sijsling | Tommy Haas | 3-6, 6-1, 6-4 | | match details | ||
| 04.05.14 | qual. | Igor Sijsling | Thomaz Bellucci | 6-2, 3-6, 6-3 | | match details | ||
| 03.05.14 | q 1 | Igor Sijsling | Adrian Mannarino | 6-1, 6-1 | | match details | ||
| 21.04.14 | 1st round | Santiago Giraldo | Igor Sijsling | 6-4, 6-2 | | match details | Barcelona | Clay |
| 13.04.14 | 1st round | Jeremy Chardy | Igor Sijsling | 1-6, 6-2, 7-65 | | match details |  Monte-Carlo | Clay |
| 07.04.14 | 1st round | Joao Sousa | Igor Sijsling | 6-2, 6-4 | | match details |  Casablanca | Clay |
| 29.05.13 | 2nd round | Tommy Robredo | Igor Sijsling | 6-72, 4-6, 6-3, 6-1, 6-1 | | match details | Paris | Clay |
| 27.05.13 | 1st round | Igor Sijsling | Jurgen Melzer | 6-4, 6-3, 6-2 | | match details | ||
| 24.05.13 | 1/2 | Jarkko Nieminen | Igor Sijsling | 7-5, 4-6, 6-3 | | match details | Dusseldorf | Clay |
| 23.05.13 | 1/4 | Igor Sijsling | Jan Hajek | 6-3, 6-1 | | match details | ||
| 22.05.13 | 2nd round | Igor Sijsling | Philipp Kohlschreiber | 3-6, 6-3, 6-4 | | match details | ||
| 21.05.13 | 1st round | Igor Sijsling | Evgeny Korolev | 6-2, 6-4 | | match details | ||
| 05.05.13 | qual. | Jesse Levine | Igor Sijsling | 6-3, 6-4 | | match details | Madrid | Clay |
| 04.05.13 | q 1 | Igor Sijsling | Arnau Brugues-Davi | 4-6, 6-3, 6-4 | | match details | ||
| 29.04.13 | 1st round | Benoit Paire | Igor Sijsling | 7-65, 6-3 | | match details | Oeiras | Clay |
| 22.04.13 | 1st round | Andrey Kuznetsov | Igor Sijsling | 6-1, 6-3 | | match details | Barcelona | Clay |
| 03.07.12 | 1st round | Bjorn Phau | Igor Sijsling | 6-4, 6-0 | | match details | Braunschweig Challenger | Clay |
| 27.05.12 | 1st round | Gilles Muller | Igor Sijsling | 2-6, 7-5, 3-6, 6-4, 8-6 | | match details | Paris | Clay |
| 25.05.12 | qual. | Igor Sijsling | Jerzy Janowicz | 6-4, 3-6, 6-4 | | match details | ||
| 24.05.12 | q 2 | Igor Sijsling | Hiroki Moriya | 6-3, 6-3 | | match details | ||
| 22.05.12 | q 1 | Igor Sijsling | Diego Junqueira | 4-6, 6-0, 8-6 | | match details | ||
| 19.05.12 | q 1 | Igor Sijsling | Alexandre Pierson | 6-4, 7-60 | | match details | Nice | Clay |
| 19.05.12 | q 2 | Sam Querrey | Igor Sijsling | 6-4, 6-3 | | match details | ||
| 26.04.12 | 2nd round | Jonathan Dasnieres de Veigy | Igor Sijsling | 2-6, 6-3, 3-2, Igor Sijsling - retired | | match details | Napoli Challenger | Clay |
| 24.04.12 | 1st round | Igor Sijsling | Daniele Giorgini | 6-4, 6-4 | | match details | ||
| 19.04.12 | 2nd round | Roberto Bautista Agut | Igor Sijsling | 7-66, 6-4 | | match details | Rome Challenger | Clay |
| 17.04.12 | 1st round | Igor Sijsling | Simone Vagnozzi | 6-3, 5-7, 7-5 | | match details | ||
| 13.04.12 | 1/4 | Thomas Schoorel | Igor Sijsling | 6-2, 7-62 | | match details | Mersin Challenger | Clay |
| 12.04.12 | 2nd round | Igor Sijsling | Maxime Teixeira | 6-2, 2-6, 6-4 | | match details | ||
| 10.04.12 | 1st round | Igor Sijsling | Dusan Lojda | 6-3, 6-4 | | match details | ||
| 11.09.11 | fin | Igor Sijsling | Jan-Lennard Struff | 7-62, 6-3 | | match details | Alphen Challenger | Clay |
| 10.09.11 | 1/2 | Igor Sijsling | Marek Michalicka | 2-6, 7-64, 6-3 | | match details | ||
| 09.09.11 | 2nd round | Igor Sijsling | Eric Prodon | 6-2, 7-65 | | match details | ||
| 09.09.11 | 1/4 | Igor Sijsling | Thiemo de Bakker | 3-6, 6-3, 7-64 | | match details | ||
| 07.09.11 | 1st round | Igor Sijsling | Jonathan Dasnieres de Veigy | 6-3, 7-64 | | match details | ||
| 10.08.11 | 2nd round | Gerald Melzer | Igor Sijsling | 6-2, 6-3 | | match details |  Samarkand Challenger | Clay |
| 09.08.11 | 1st round | Igor Sijsling | Junn Mitsuhashi | 6-2, 6-2 | | match details | ||
| 31.05.11 | 1st round | Leonardo Mayer | Igor Sijsling | 2-6, 6-2, 6-2 | | match details | Furth Challenger | Clay |
| 17.05.11 | q 1 | Bastian Knittel | Igor Sijsling | 6-3, 6-4 | | match details | Paris | Clay |
| 21.04.11 | 1/4 | Filippo Volandri | Igor Sijsling | 6-3, Igor Sijsling - retired | | match details | Napoli Challenger | Clay |
| 20.04.11 | 2nd round | Igor Sijsling | Alessio di Mauro | 5-7, 6-3, 6-0 | | match details | ||
| 18.04.11 | 1st round | Igor Sijsling | Nikola Ciric | 6-3, 7-66 | | match details | ||
| 28.03.11 | 1st round | Aljaz Bedene | Igor Sijsling | 6-1, 7-5 | | match details | Barletta Challenger | Clay |
| 15.09.10 | 2nd round | Pablo Cuevas | Igor Sijsling | 6-4, 6-2 | | match details |  Szczecin Challenger | Clay |
| 13.09.10 | 1st round | Igor Sijsling | Miloslav Mecir | 7-66, 7-62 | | match details | ||
| 09.09.10 | 2nd round | Bastian Knittel | Igor Sijsling | 2-6, 7-68, 6-1 | | match details | Alphen Challenger | Clay |
| 07.09.10 | 1st round | Igor Sijsling | Jonathan Eysseric | 3-6, 7-64, 6-1 | | match details | ||
| 18.05.10 | q 1 | Nicolas Devilder | Igor Sijsling | 6-4, 6-3 | | match details | Paris | Clay |
| 01.04.10 | 2nd round | Samuel Groth | Igor Sijsling | 6-3, 6-1 | | match details | St. Brieuc | Clay |
| 30.03.10 | 1st round | Igor Sijsling | Simon Stadler | 6-3, 6-4 | | match details | ||
| 22.09.09 | 1st round | Boris Pashanski | Igor Sijsling | 7-65, 6-1 | | match details | Palermo Challenger | Clay |
| 10.09.09 | 2nd round | Stephane Robert | Igor Sijsling | 6-2, 6-3 | | match details | Alphen Challenger | Clay |
| 08.09.09 | 1st round | Igor Sijsling | Jan Minar | 7-5, 3-6, 6-2 | | match details | ||
| 06.07.09 | q 2 | Antal Van Der Duim | Igor Sijsling | 6-3, 7-5 | | match details | Scheveningen Challenger | Clay |
| 04.05.09 | 1st round | Jose Checa-Calvo | Igor Sijsling | 6-3, 6-3 | | match details | Italy F9 | Clay |
| 27.04.09 | 1/2 | Igor Sijsling | Matteo Viola | 6-4, 7-5 | | match details | Italy F8 | Clay |
| 27.04.09 | 1st round | Igor Sijsling | Federico Raffaelli | 6-3, 6-3 | | match details | ||
| 27.04.09 | fin | Francesco Aldi | Igor Sijsling | 6-3, 4-6, 6-4 | | match details | ||
| 27.04.09 | 2nd round | Igor Sijsling | Giancarlo Petrazzuolo | 6-1, 4-6, 6-4 | | match details | ||
| 27.04.09 | 1/4 | Igor Sijsling | Frank Wintermantel | 7-5, 6-3 | | match details | ||
| 13.04.09 | 1st round | Andrew Coelho | Igor Sijsling | 3-6, 7-64, 6-2 | | match details | France F6 | Clay |
| 06.04.09 | q 1 | Igor Sijsling | Luca Ottavi | 7-65, 6-1 | | match details | Monza Challenger | Clay |
| 06.04.09 | q 2 | Daniele Giorgini | Igor Sijsling | 6-4, 4-6, 6-4 | | match details | ||
| 10.11.08 | 1/4 | Igor Sijsling | Matt Reid | 6-1, 6-1 | | match details |  USA F29 | Clay |
| 10.11.08 | 1/2 | Igor Sijsling | Andrey Kumantsov | 6-72, 6-3, 7-5 | | match details | ||
| 10.11.08 | 1st round | Igor Sijsling | Trevor Dobson | 6-2, 6-4 | | match details | ||
| 10.11.08 | fin | Igor Sijsling | Daniel Yoo | 6-3, 7-63 | | match details | ||
| 10.11.08 | 2nd round | Igor Sijsling | Devin Britton | 6-3, 6-4 | | match details | ||
| 03.11.08 | 1st round | Adam El Mihdawy | Igor Sijsling | 6-4, 6-2 | | match details | USA F28 | Clay |
| 15.07.08 | 1st round | Ivan Navarro | Igor Sijsling | 6-3, 6-1 | | match details | Amersfoort | Clay |
| 13.07.08 | qual. | Igor Sijsling | Rafael Arevalo | 6-2, 5-7, 6-4 | | match details | ||
| 07.07.08 | qual. | Javier Genaro-Martinez | Igor Sijsling | 6-4, 6-4 | | match details | Scheveningen | Clay |
| 07.07.08 | q 2 | Igor Sijsling | Romano Frantzen | 6-4, 6-4 | | match details | ||
| 23.06.08 | 1st round | Igor Sijsling | Peter Gojowczyk | 4-6, 7-5, 1-0, Peter Gojowczyk - retired | | match details | Netherlands F3 | Clay |
| 23.06.08 | 2nd round | Igor Sijsling | Joshua Milton | 6-3, 6-4 | | match details | ||
| 23.06.08 | 1/4 | Jesse Huta Galung | Igor Sijsling | 6-4, 4-6, 6-2 | | match details | ||
| 12.05.08 | q 2 | Sasa Tuksar | Igor Sijsling | 6-3, 6-3 | | match details | Zagreb | Clay |
| 07.05.08 | 2nd round | Dick Norman | Igor Sijsling | 6-75, 7-5, 6-4 | | match details | Rijeka | Clay |
| 05.05.08 | 1st round | Igor Sijsling | Andis Juska | 6-4, 4-6, 6-4 | | match details | ||
| 05.05.08 | q 2 | Igor Sijsling | Max Raditschnigg | 6-2, 6-74, 7-62 | | match details | ||
| 05.05.08 | qual. | Igor Sijsling | Enrico Burzi | 6-3, 6-711, 6-3 | | match details | ||
| 14.04.08 | q 2 | Jean-Claude Scherrer | Igor Sijsling | 6-4, 6-2 | | match details |  Chiasso | Clay |
| 14.04.08 | q 1 | Igor Sijsling | Lionel Noviski | 6-3, 4-6, 6-3 | | match details | ||
| 07.04.08 | q 2 | Daniel Munoz-De La Nava | Igor Sijsling | 5-7, 6-4, 6-2 | | match details | Monza | Clay |
| 07.04.08 | q 1 | Igor Sijsling | Pavol Cervenak | 1-6, 7-67, 7-64 | | match details | ||
| 31.03.08 | q 1 | Igor Sijsling | Quentin Lesne | 6-0, 7-5 | | match details | St. Brieuc | Clay |
| 31.03.08 | qual. | Nicolas Coutelot | Igor Sijsling | 6-3, 2-6, 6-4 | | match details | ||
| 31.03.08 | q 2 | Igor Sijsling | Jonathan Dasnieres de Veigy | 3-6, 6-3, 7-5 | | match details | ||
| 06.09.07 | 2nd round | Jeremy Chardy | Igor Sijsling | 6-2, 6-76, 6-2 | | match details | Alphen | Clay |
| 04.09.07 | 1st round | Igor Sijsling | Daniel Munoz-De La Nava | 6-4, 6-2 | | match details | ||
| 27.08.07 | 1st round | Igor Sijsling | Daniel Muller | 6-2, 6-2 | | match details | Netherlands F5 | Clay |
| 27.08.07 | 2nd round | Thiemo de Bakker | Igor Sijsling | 7-5, 6-4 | | match details | ||
| 20.08.07 | 1/4 | Igor Sijsling | Remko de Rijke | 6-2, 6-1 | | match details | Netherlands F4 | Clay |
| 20.08.07 | 1/2 | Nick van der Meer | Igor Sijsling | 3-6, 6-3, 6-2 | | match details | ||
| 20.08.07 | 1st round | Igor Sijsling | Roy Bruggeling | 6-3, 6-1 | | match details | ||
| 20.08.07 | 2nd round | Igor Sijsling | Henrik Norfeldt | 7-5, 6-2 | | match details | ||
| 06.08.07 | 1st round | Fernando Vicente | Igor Sijsling | 6-2, 6-0 | | match details | Vigo | Clay |
| 01.08.07 | 2nd round | Daniele Giorgini | Igor Sijsling | 7-61, 7-64 | | match details | Trani | Clay |
| 30.07.07 | 1st round | Igor Sijsling | Alessandro Motti | 7-64, 6-0 | | match details | ||
| 10.07.07 | 1st round | Pablo Cuevas | Igor Sijsling | 7-5, 4-2, Igor Sijsling - retired | | match details | Scheveningen | Clay |
| 19.06.07 | 1st round | Grega Zemlja | Igor Sijsling | 6-3, 6-3 | | match details | Milan | Clay |
| 11.06.07 | 1st round | Flavio Cipolla | Igor Sijsling | 6-4, 3-6, 6-2 | | match details | Kosice | Clay |
| 04.06.07 | q 2 | Gianluca Naso | Igor Sijsling | 7-60, 7-65 | | match details | Sassuolo | Clay |
| 21.05.07 | 1st round | Igor Sijsling | Alessandro Piccari | 6-1, 7-5 | | match details | Italy F15 | Clay |
| 21.05.07 | 2nd round | Igor Sijsling | Daniele Giorgini | 1-6, 6-2, 6-1 | | match details | ||
| 21.05.07 | 1/4 | Giancarlo Petrazzuolo | Igor Sijsling | 6-74, 6-3, 6-4 | | match details | ||
| 14.05.07 | q 2 | Igor Sijsling | Stian Boretti | 6-2, 1-0, Stian Boretti - retired | | match details | San Remo | Clay |
| 14.05.07 | qual. | Gianluca Naso | Igor Sijsling | 6-4, 6-4 | | match details | ||
| 30.04.07 | 1st round | Chris Guccione | Igor Sijsling | 7-61, 3-6, 7-66 | | match details | Rome | Clay |
| 23.04.07 | 1st round | Mikhail Kukushkin | Igor Sijsling | 6-4, 3-6, 7-63 | | match details | Italy F11 | Clay |
| 11.09.06 | 1st round | Igor Sijsling | Remko de Rijke | 6-3, 6-0 | | match details | Netherlands F7 | Clay |
| 11.09.06 | 2nd round | Igor Sijsling | Alexander Flock | 6-2, 6-4 | | match details | ||
| 11.09.06 | 1/2 | Antal Van Der Duim | Igor Sijsling | 7-65, 3-6, 6-3 | | match details | ||
| 11.09.06 | 1/4 | Igor Sijsling | Matwe Middelkoop | 6-1, 7-5 | | match details | ||
| 28.08.06 | 1st round | Michal Przysiezny | Igor Sijsling | 6-3, 6-75, 6-3 | | match details | Como | Clay |
| 08.08.06 | 1st round | Leonardo Azzaro | Igor Sijsling | 6-2, 7-5 | | match details |  St. Petersburg | Clay |
| 06.08.06 | fin | Igor Sijsling | Farrukh Dustov | 7-68, 6-4 | | match details | Saransk | Clay |
| 05.08.06 | 1/2 | Igor Sijsling | Robin Haase | 6-74, 6-4, 6-2 | | match details | ||
| 04.08.06 | 1/4 | Igor Sijsling | Yuriy Schukin | 6-74, 6-1, 6-4 | | match details | ||
| 03.08.06 | 2nd round | Igor Sijsling | Alberto Brizzi | 6-3, 6-4 | | match details | ||
| 02.08.06 | 1st round | Igor Sijsling | Petar Popovic | 6-4, 6-2 | | match details | ||
| 24.07.06 | 2nd round | Igor Sijsling | Dariusz Kuligowski | 6-1, 6-0 | | match details |  Belgium F2 | Clay |
| 24.07.06 | 1/4 | Igor Sijsling | Jordane Doble | 7-66, 6-1 | | match details | ||
| 24.07.06 | 1/2 | Igor Sijsling | Lukas Rosol | 6-4, 6-3 | | match details | ||
| 24.07.06 | 1st round | Igor Sijsling | Philippe De Bonnevie | 7-615, 7-5 | | match details | ||
| 24.07.06 | fin | Igor Sijsling | Stefan Wauters | 6-4, 6-4 | | match details | ||
| 17.07.06 | 1st round | Daniele Bracciali | Igor Sijsling | 6-75, 6-4, 6-2 | | match details | Amersfoort | Clay |
| 11.07.06 | 1st round | Florian Mayer | Igor Sijsling | 7-63, 6-3 | | match details | Scheveningen | Clay |
| 26.06.06 | 1/4 | Igor Sijsling | Paul Moggre | 3-6, 6-3, 6-2 | | match details | Netherlands F3 | Clay |
| 26.06.06 | 1/2 | Igor Sijsling | Dominique Coene | 6-3, 3-2, Dominique Coene - retired | | match details | ||
| 26.06.06 | 1st round | Igor Sijsling | Sander Koning | 6-0, 6-2 | | match details | ||
| 26.06.06 | fin | Igor Sijsling | Stefan Wauters | 7-62, 6-3 | | match details | ||
| 26.06.06 | 2nd round | Igor Sijsling | Peter Lucassen | 6-2, 6-2 | | match details | ||
| 19.06.06 | 1st round | Igor Sijsling | Benjamin Ebrahimzadeh | 2-6, 6-1, 3-0, Benjamin Ebrahimzadeh - retired | | match details | Netherlands F2 | Clay |
| 19.06.06 | 2nd round | Alexander Flock | Igor Sijsling | 6-3, 3-6, 6-3 | | match details | ||
| 29.05.06 | 1/2 | Victor Ionita | Igor Sijsling | 6-4, 6-3 | | match details | Italy F16 | Clay |
| 29.05.06 | 1st round | Igor Sijsling | Alessandro Piccari | 2-6, 6-0, 6-2 | | match details | ||
| 29.05.06 | 2nd round | Igor Sijsling | Marco Crugnola | 7-63, 6-3 | | match details | ||
| 29.05.06 | 1/4 | Igor Sijsling | Marc Fornell-Mestres | 7-5, 6-3 | | match details | ||
| 15.05.06 | 2nd round | Igor Sijsling | Mehdi Tahiri | 7-5, 6-2 | | match details | Spain F15 | Clay |
| 15.05.06 | 1st round | Igor Sijsling | Ignacio Coll-Riudavets | 6-0, 6-78, 6-2 | | match details | ||
| 15.05.06 | 1/4 | Pablo Santos-Gonzalez | Igor Sijsling | 6-4, 6-2 | | match details | ||
| 08.05.06 | 2nd round | Igor Sijsling | Hector Ruiz-Cadenas | 7-62, 6-3 | | match details | Spain F14 | Clay |
| 08.05.06 | 1/4 | Igor Sijsling | Pere Riba | 6-2, 6-4 | | match details | ||
| 08.05.06 | 1/2 | Jose Checa-Calvo | Igor Sijsling | 6-3, 6-3 | | match details | ||
| 08.05.06 | 1st round | Igor Sijsling | Frank Condor-Fernandez | 7-66, 6-3 | | match details | ||
| 01.05.06 | 1st round | Igor Sijsling | Gil Sala-Bordallo | 6-1, 6-0 | | match details | Spain F13 | Clay |
| 01.05.06 | 1/4 | Miguel-Angel Lopez Jaen | Igor Sijsling | 6-4, 6-4 | | match details | ||
| 01.05.06 | 2nd round | Igor Sijsling | Guillem Burniol-Teixido | 3-6, 6-3, 6-4 | | match details | ||
| 24.04.06 | 1st round | Igor Sijsling | Gyorgy Balazs | 6-3, 6-3 | | match details | Spain F12 | Clay |
| 24.04.06 | 2nd round | Igor Sijsling | Andreu Guilera-Jover | 6-0, 6-4 | | match details | ||
| 24.04.06 | 1/4 | Igor Sijsling | Niels Desein | 6-0, 6-2 | | match details | ||
| 24.04.06 | 1/2 | Daniel Monedero-Gonzalez | Igor Sijsling | 6-2, 7-5 | | match details | ||
| 10.04.06 | 1st round | David Luque-Velasco | Igor Sijsling | 6-0, 6-73, 6-2 | | match details | Spain F10 | Clay |
| 05.09.05 | 1st round | Jesse Huta Galung | Igor Sijsling | 6-0, 6-2 | | match details | Netherlands F4 | Clay |
| 29.08.05 | 1st round | Igor Sijsling | Dominique Coene | 3-6, 6-3, 7-5 | | match details | Netherlands F3 | Clay |
| 29.08.05 | 2nd round | Igor Sijsling | Tobias Clemens | 4-6, 7-64, 6-0 | | match details | ||
| 29.08.05 | 1/2 | Max Raditschnigg | Igor Sijsling | 7-5, 6-4 | | match details | ||
| 29.08.05 | 1/4 | Igor Sijsling | Joseph Sirianni | 6-1, 6-3 | | match details | ||
| 01.08.05 | 1/4 | Benjamin-David Rufer | Igor Sijsling | 6-4, 7-64 | | match details | Italy F24 | Clay |
| 01.08.05 | 1st round | Igor Sijsling | Enrico Wellenfeld | 6-4, 6-2 | | match details | ||
| 01.08.05 | 2nd round | Igor Sijsling | Filippo Figliomeni | 4-6, 6-4, 6-3 | | match details | ||
| 25.07.05 | 1st round | Roman Vogeli | Igor Sijsling | 5-7, 6-4, 6-3 | | match details | Italy F23 | Clay |
| 16.07.05 | q 1 | Juan-Antonio Marin | Igor Sijsling | 6-4, 6-0 | | match details | Amersfoort | Clay |
| 23.08.04 | 1st round | Stefan Wauters | Igor Sijsling | 3-6, 6-3, 7-61 | | match details | Netherlands F4 | Clay |
| 17.08.04 | 1st round | Davide Sanguinetti | Igor Sijsling | 6-3, 6-3 | | match details | Monchengladbach | Clay |