Name: Roberto Quiroz
Country: Ecuador
Birthdate: 23.02.92, 32 years
ATP ranking: 759
TOP ranking's position: 172 (18.03.19, 295 points)
Points: 30
Prize money: 398482 $
Matches total: 563
Win: 303
%: 53.82 %
Country: Ecuador
Birthdate: 23.02.92, 32 years
ATP ranking: 759
TOP ranking's position: 172 (18.03.19, 295 points)
Points: 30
Prize money: 398482 $
Matches total: 563
Win: 303
%: 53.82 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2022 | 31/32 | 14/12 | 12/13 | 5/7 | 0/0 | 0/0 | 0/0 |
| 2021 | 17/35 | 8/13 | 6/12 | 3/9 | 0/0 | 0/1 | 0/0 |
| 2020 | 14/10 | 6/3 | 1/3 | 7/4 | 0/0 | 0/0 | 0/0 |
| 2019 | 29/32 | 12/16 | 11/9 | 5/6 | 0/0 | 1/1 | 0/0 |
| 2018 | 36/31 | 15/10 | 14/17 | 5/3 | 0/0 | 2/1 | 0/0 |
| 2017 | 39/32 | 18/14 | 14/12 | 1/1 | 0/1 | 6/4 | 0/0 |
| 2016 | 68/25 | 22/7 | 42/16 | 4/2 | 0/0 | 0/0 | 0/0 |
| 2015 | 3/4 | 3/3 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2014 | 21/5 | 17/4 | 4/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2013 | 7/6 | 2/2 | 5/3 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2012 | 12/5 | 6/3 | 6/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2011 | 15/20 | 7/9 | 8/11 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2010 | 1/7 | 1/3 | 0/3 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2009 | 7/10 | 4/3 | 3/7 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2008 | 1/3 | 0/2 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2007 | 2/2 | 0/1 | 2/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2006 | 0/1 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 303/260 | 135/105 | 129/113 | 30/33 | 0/1 | 9/8 | 0/0 |
| perc. % | 53.82 % | 56.25 % | 53.31 % | 47.62 % | 0 % | 52.94 % | 0 % |
Roberto Quiroz / scheduled / last
| no matches found |
Roberto Quiroz form / surface: Hard
Roberto Quiroz / surface: Hard
| 12.10.22 | 1st round | Enzo Couacaud | Roberto Quiroz | 7-61, 4-6, 6-1 |  | match details |  Fairfield Challenger | Hard |
| 03.10.22 | 1st round | Ben Shelton | Roberto Quiroz | 3-6, 6-2, 7-64 | | match details | Tiburon Challenger | Hard |
| 27.09.22 | 1st round | Roberto Quiroz | Cannon Kingsley | 6-4, 7-5 |  | match details | Charleston Challenger | Hard |
| 18.09.22 | Alexander Ritschard | Roberto Quiroz | 6-1, 6-2 | | match details |  Davis Cup | Hard | |
| 17.09.22 | Rubber 1 | Marc-Andrea Huesler | Roberto Quiroz | 6-4, 6-2 | | match details | ||
| 05.08.22 | 1/4 | Aleksandar Kovacevic | Roberto Quiroz | 4-6, 6-3, 6-4 | | match details | Lexington Challenger | Hard |
| 04.08.22 | 2nd round | Roberto Quiroz | Gijs Brouwer | 6-4, 6-4 | | match details | ||
| 01.08.22 | 1st round | Roberto Quiroz | Yunseong Chung | 6-2, 5-7, 6-1 | | match details | ||
| 25.07.22 | 1st round | Kaichi Uchida | Roberto Quiroz | 6-1, 6-73, 6-3 | | match details |  Winnipeg Challenger | Hard |
| 10.06.22 | 1/4 | Emilio Gomez | Roberto Quiroz | 6-2, 3-1, Roberto Quiroz - retired | | match details | Orlando Challenger | Hard |
| 08.06.22 | 2nd round | Roberto Quiroz | Matija Pecotic | 7-5, 7-66 | | match details | ||
| 06.06.22 | 1st round | Roberto Quiroz | Michael Mmoh | 7-5, 6-3 | | match details | ||
| 30.05.22 | 1st round | Ulises Blanch | Roberto Quiroz | 6-4, 7-65 | | match details | Little Rock | Hard |
| 29.04.22 | 1/4 | Jay Clarke | Roberto Quiroz | 6-3, 6-4 | | match details |  Morelos Challenger | Hard |
| 28.04.22 | 2nd round | Roberto Quiroz | Nicolas Mejia | 6-4, 7-65 | | match details | ||
| 26.04.22 | 1st round | Roberto Quiroz | Rodolfo Jauregui Sainz De Rozas | 6-2, 6-2 | | match details | ||
| 08.04.22 | 1/2 | Nicolas Moreno De Alboran | Roberto Quiroz | 6-73, 6-4, 6-2 | | match details | Salinas Challenger | Hard |
| 07.04.22 | 1/4 | Roberto Quiroz | Jc Aragone | 2-6, 7-66, 6-4 | | match details | ||
| 06.04.22 | 2nd round | Roberto Quiroz | Nicolas Mejia | 6-4, 6-3 | | match details | ||
| 05.04.22 | 1st round | Roberto Quiroz | Yosuke Watanuki | 7-67, 6-2 | | match details | ||
| 17.02.22 | 2nd round | Jaimee Floyd Angele | Roberto Quiroz | 3-6, 6-3, 7-5 | | match details | M25 Cancun | Hard |
| 16.02.22 | 1st round | Roberto Quiroz | Colin Markes | 6-4, 6-4 | | match details | ||
| 12.02.22 | 1/2 | Lucas Gerch | Roberto Quiroz | 6-3, 6-4 | | match details | M25 Cancun | Hard |
| 11.02.22 | 1/4 | Roberto Quiroz | Filip Bergevi | 6-1, 7-5 | | match details | ||
| 10.02.22 | 2nd round | Roberto Quiroz | Emil Reinberg | 6-1, 4-6, 7-5 | | match details | ||
| 09.02.22 | 1st round | Roberto Quiroz | Jesse Flores | 6-2, 6-2 | | match details | ||
| 06.10.21 | qual. | Salvatore Caruso | Roberto Quiroz | 6-4, 6-4 | | match details | Indian Wells | Hard |
| 05.10.21 | q 1 | Roberto Quiroz | Ramkumar Ramanathan | 6-4, 3-6, 6-4 | | match details | ||
| 31.08.21 | 1st round | Sebastian Ofner | Roberto Quiroz | 6-75, 6-3, 6-2 | | match details |  Mallorca Challenger | Hard |
| 27.07.21 | 1st round | Darian King | Roberto Quiroz | 6-4, 6-1 | | match details | Lexington Challenger | Hard |
| 19.07.21 | 1st round | Govind Nanda | Roberto Quiroz | 6-2, 6-3 | | match details | Cary Challenger | Hard |
| 08.06.21 | 1st round | Jason Murray Kubler | Roberto Quiroz | 7-64, 6-4 | | match details | Orlando 2 | Hard |
| 02.06.21 | 1st round | Jack Sock | Roberto Quiroz | 6-3, 6-1 | | match details | Little Rock | Hard |
| 28.04.21 | 1st round | Jc Aragone | Roberto Quiroz | 6-2, 6-74, 6-2 | | match details | Salinas 2 | Hard |
| 19.04.21 | 1st round | Camilo Ugo Carabelli | Roberto Quiroz | 4-6, 6-1, 7-67 | | match details | Salinas Challenger | Hard |
| 13.04.21 | 1st round | Aleksandar Kovacevic | Roberto Quiroz | 6-1, 5-7, 6-4 | | match details | Orlando Challenger | Hard |
| 12.04.21 | q 1 | Roberto Quiroz | Roy Smith | 6-4, 2-6, 6-2 | | match details | ||
| 12.04.21 | qual. | Roberto Quiroz | Kevin King | 6-72, 6-2, 6-1 | | match details | ||
| 22.03.21 | q 1 | Thomas Fabbiano | Roberto Quiroz | 6-4, 7-63 | | match details | Miami | Hard |
| 15.02.21 | 1st round | Tristan Lamasine | Roberto Quiroz | 7-5, 7-5 | | match details |  Potchefstroom 2 | Hard |
| 10.02.21 | 2nd round | Benjamin Bonzi | Roberto Quiroz | 3-6, 6-4, 6-3 | | match details | Potchefstroom 1 | Hard |
| 08.02.21 | 1st round | Roberto Quiroz | Robbie Arends | 6-2, 6-2 | | match details | ||
| 11.01.21 | 1/4 | Hubert Hurkacz | Roberto Quiroz | 6-4, 6-4 | | match details | Delray Beach | Hard |
| 10.01.21 | 2nd round | Roberto Quiroz | Ivo Karlovic | 6-2, 6-4 | | match details | ||
| 08.01.21 | 1st round | Roberto Quiroz | Noah Rubin | 7-61, 6-3 | | match details | ||
| 06.01.21 | qual. | Roberto Quiroz | Viktor Galovic | 6-3, 7-5 | | match details | ||
| 05.01.21 | q 1 | Roberto Quiroz | Gonzalo Escobar | 6-4, 6-76, 7-5 | | match details | ||
| 08.11.20 | fin | Alexis Galarneau | Roberto Quiroz | 6-2, 6-1 | | match details | M15 Fayetteville | Hard |
| 07.11.20 | 1/2 | Roberto Quiroz | Liam Draxl | 7-5, 2-6, 6-3 | | match details | ||
| 06.11.20 | 1/4 | Roberto Quiroz | Martin Damm | 6-4, 7-5 | | match details | ||
| 05.11.20 | 2nd round | Roberto Quiroz | Trent Bryde | 6-3, 5-7, 6-3 | | match details | ||
| 03.11.20 | 1st round | Roberto Quiroz | Sam Riffice | 6-2, 7-65 | | match details | ||
| 20.02.20 | 3rd round | Guilherme Clezar | Roberto Quiroz | 7-62, 6-2 | | match details | Morelos Challenger | Hard |
| 19.02.20 | 2nd round | Roberto Quiroz | Benjamin Lock | 6-2, 5-7, 6-1 | | match details | ||
| 29.01.20 | 2nd round | Steve Johnson | Roberto Quiroz | 6-3, 6-2 | | match details | Newport Beach | Hard |
| 28.01.20 | 1st round | Roberto Quiroz | Gonzalo Escobar | 5-1, Gonzalo Escobar - retired | | match details | ||
| 15.10.19 | 2nd round | Dmitry Popko | Roberto Quiroz | 6-3, 6-0 | | match details | Las Vegas | Hard |
| 14.10.19 | 1st round | Roberto Quiroz | Altug Celikbilek | 6-4, 6-2 | | match details | ||
| 08.10.19 | 2nd round | Christopher O'Connell | Roberto Quiroz | 6-3, 6-4 | | match details | Fairfield Challenger | Hard |
| 07.10.19 | 1st round | Roberto Quiroz | Lucas Gerch | 6-3, 6-3 | | match details | ||
| 26.09.19 | 3rd round | Maxime Cressy | Roberto Quiroz | 5-7, 6-2, 6-3 | | match details | Tiburon Challenger | Hard |
| 25.09.19 | 2nd round | Roberto Quiroz | Denis Kudla | 6-3, 6-2 | | match details | ||
| 24.09.19 | 1st round | Roberto Quiroz | Ondrej Styler | 3-6, 6-4, 6-4 | | match details | ||
| 14.09.19 | Roberto Quiroz | Luis David Martinez | 6-3, 6-3 | | match details |  Davis Cup | Hard | |
| 02.09.19 | 1st round | Noah Rubin | Roberto Quiroz | 7-63, 6-4 | | match details | New Haven | Hard |
| 20.08.19 | q 1 | Cem Ilkel | Roberto Quiroz | 6-1, 6-4 | | match details | New York | Hard |
| 12.08.19 | 1st round | Tallon Griekspoor | Roberto Quiroz | 5-7, 6-4, 6-3 | | match details | Vancouver Challenger | Hard |
| 07.08.19 | 2nd round | Steve Johnson | Roberto Quiroz | 6-1, 6-2 | | match details | Aptos Challenger | Hard |
| 06.08.19 | 1st round | Roberto Quiroz | Andrew Harris | 6-3, 6-3 | | match details | ||
| 01.07.19 | 1st round | Roberto Marcora | Roberto Quiroz | 6-1, 4-6, 7-5 | | match details |  Recanati Challenger | Hard |
| 13.06.19 | 2nd round | Francisco Cerundolo | Roberto Quiroz | 6-1, 6-79, 6-0 | | match details | Columbus Challenger | Hard |
| 05.06.19 | 2nd round | Alexander Ritschard | Roberto Quiroz | 6-2, 7-5 | | match details | Little Rock | Hard |
| 02.05.19 | 3rd round | Sebastian Ofner | Roberto Quiroz | 6-2, 6-1 | | match details | Puerto Vallarta | Hard |
| 30.04.19 | 2nd round | Roberto Quiroz | Marc-Andrea Huesler | 6-3, 6-4 | | match details | ||
| 26.04.19 | 1/4 | Alexander Bublik | Roberto Quiroz | 6-4, 7-63 | | match details | Leon Challenger | Hard |
| 25.04.19 | 3rd round | Roberto Quiroz | Mirza Basic | 5-7, 6-3, 6-4 | | match details | ||
| 24.04.19 | 2nd round | Roberto Quiroz | Lucas Gomez | 3-6, 7-5, 6-3 | | match details | ||
| 03.04.19 | 2nd round | Santiago Giraldo | Roberto Quiroz | 3-6, 7-5, 7-61 | | match details | Monterrey Challenger | Hard |
| 26.02.19 | 1st round | Salvatore Caruso | Roberto Quiroz | 7-5, 6-2 | | match details | Indian Wells | Hard |
| 22.02.19 | 1/4 | Steven Diez | Roberto Quiroz | 7-63, 6-0 | | match details | Morelos Challenger | Hard |
| 21.02.19 | 3rd round | Roberto Quiroz | Stefan Kozlov | 6-4, 7-65 | | match details | ||
| 19.02.19 | 2nd round | Roberto Quiroz | Joao Souza | 6-4, 6-0 | | match details | ||
| 24.01.19 | 3rd round | Taylor Harry Fritz | Roberto Quiroz | 6-3, 6-3 | | match details | Newport Beach | Hard |
| 23.01.19 | 2nd round | Roberto Quiroz | Christian Harrison | 7-64, 6-2 | | match details | ||
| 04.10.18 | 2nd round | Marcel Granollers | Roberto Quiroz | 6-75, 7-63, 7-5 | | match details | Monterrey Challenger | Hard |
| 02.10.18 | 1st round | Roberto Quiroz | Marcelo Arevalo | 6-78, 6-3, 7-5 | | match details | ||
| 25.09.18 | 1st round | Christopher Eubanks | Roberto Quiroz | 7-64, 7-64 | | match details | Tiburon Challenger | Hard |
| 14.09.18 | Rubber 1 | Roberto Quiroz | Matthew Foster-Estwick | 6-0, 6-1 | | match details |  Davis Cup | Hard |
| 04.09.18 | 1st round | Reilly Opelka | Roberto Quiroz | 6-3, 6-2 | | match details | Chicago Challenger | Hard |
| 21.08.18 | q 1 | Lloyd Harris | Roberto Quiroz | 7-65, 6-3 | | match details | New York | Hard |
| 03.08.18 | 1/4 | Ugo Humbert | Roberto Quiroz | 6-2, 5-7, 7-67 | | match details | Segovia Challenger | Hard |
| 02.08.18 | 2nd round | Roberto Quiroz | Matteo Viola | 7-5, 7-5 | | match details | ||
| 31.07.18 | 1st round | Roberto Quiroz | Carlos Boluda-Purkiss | 4-6, 6-4, 6-4 | | match details | ||
| 07.07.18 | 1/2 | Daniel Brands | Roberto Quiroz | 6-0, 6-3 | | match details | Recanati Challenger | Hard |
| 06.07.18 | 1/4 | Roberto Quiroz | Hiroki Moriya | 6-4, 6-2 | | match details | ||
| 04.07.18 | 2nd round | Roberto Quiroz | Andrea Vavassori | 6-4, 6-3 | | match details | ||
| 02.07.18 | 1st round | Roberto Quiroz | Danilo Petrovic | 6-2, 3-6, 6-2 | | match details | ||
| 03.05.18 | 1/4 | Kevin King | Roberto Quiroz | 6-2, 7-5 | | match details | Puerto Vallarta | Hard |
| 02.05.18 | 2nd round | Roberto Quiroz | Edan Leshem | 6-2, 3-6, 6-3 | | match details | ||
| 01.05.18 | 1st round | Roberto Quiroz | Evan Song | 7-66, 6-3 | | match details | ||
| 28.04.18 | 1/2 | Christopher Eubanks | Roberto Quiroz | 4-6, 6-4, 6-3 | | match details | Leon Challenger | Hard |
| 27.04.18 | 1/4 | Roberto Quiroz | Alexander Sarkissian | 6-4, 7-610 | | match details | ||
| 25.04.18 | 2nd round | Roberto Quiroz | Jose Statham | 3-6, 7-65, 6-2 | | match details | ||
| 24.04.18 | 1st round | Roberto Quiroz | Carlos Gomez-Herrera | 6-4, 7-5 | | match details | ||
| 23.04.18 | qual. | Roberto Quiroz | Gonzalo Escobar | 6-3, 6-4 | | match details | ||
| 22.04.18 | q 2 | Roberto Quiroz | Alvaro Gonzalez | 6-0, 6-2 | | match details | ||
| 21.04.18 | q 1 | Roberto Quiroz | Alan Raul Sau Franco | 6-4, 6-2 | | match details | ||
| 17.04.18 | 1st round | Darian King | Roberto Quiroz | 3-6, 6-3, 6-3 | | match details | Guadalajara Challenger | Hard |
| 20.02.18 | 1st round | Andrej Martin | Roberto Quiroz | 6-2, 5-7, 7-5 | | match details | Morelos Challenger | Hard |
| 13.12.17 | 2nd round | Sem Verbeek | Roberto Quiroz | 6-73, 7-65, 6-3 | | match details |  Dominican Republic | Hard |
| 11.12.17 | 1st round | Roberto Quiroz | Peter Bertran | 6-2, 7-5 | | match details | ||
| 06.12.17 | 1st round | Alejandro Gomez | Roberto Quiroz | 7-61, 6-4 | | match details | Dominican Republic | Hard |
| 02.12.17 | fin | Roberto Quiroz | Roberto Cid Subervi | 6-4, 6-4 | | match details | Dominican Republic | Hard |
| 01.12.17 | 1/2 | Roberto Quiroz | Adrian Bodmer | 7-68, 6-3 | | match details | ||
| 30.11.17 | 1/4 | Roberto Quiroz | Genaro Alberto Olivieri | 4-6, 7-61, 7-61 | | match details | ||
| 29.11.17 | 2nd round | Roberto Quiroz | Lucas Gomez | 4-6, 6-1, 7-60 | | match details | ||
| 27.11.17 | 1st round | Roberto Quiroz | Osmel Rivera Granja | 6-1, 6-75, 6-2 | | match details | ||
| 03.10.17 | 1st round | Dominik Koepfer | Roberto Quiroz | 7-65, 2-6, 6-4 | | match details | Monterrey Challenger | Hard |
| 23.09.17 | q 1 | Lucas Gomez | Roberto Quiroz | 6-4, 1-6, 6-2 | | match details | Tiburon Challenger | Hard |
| 23.08.17 | q 1 | Adrian Menendez-Maceiras | Roberto Quiroz | 6-2, 4-6, 7-5 | | match details | New York | Hard |
| 29.07.17 | q 1 | Evan Song | Roberto Quiroz | 6-2, 6-2 | | match details | Los Cabos | Hard |
| 26.07.17 | 1st round | Yuki Bhambri | Roberto Quiroz | 6-74, 6-3, 6-1 | | match details | Granby Challenger | Hard |
| 02.04.17 | fin | Adrian Menendez-Maceiras | Roberto Quiroz | 6-4, 3-6, 6-3 | | match details | Leon Challenger | Hard |
| 01.04.17 | 1/2 | Roberto Quiroz | Rajeev Ram | 6-4, 6-3 | | match details | ||
| 31.03.17 | 1/4 | Roberto Quiroz | Victor Estrella | 7-64, 6-4 | | match details | ||
| 30.03.17 | 2nd round | Roberto Quiroz | Federico Coria | 7-5, 6-1 | | match details | ||
| 29.03.17 | 1st round | Roberto Quiroz | Jason Jung | 6-1, 6-2 | | match details | ||
| 28.03.17 | qual. | Roberto Quiroz | Juan Ignacio Londero | 6-2, 6-77, 7-5 | | match details | ||
| 27.03.17 | q 2 | Roberto Quiroz | Ante Pavic | 6-3, 7-65 | | match details | ||
| 26.03.17 | q 1 | Roberto Quiroz | Daniel Elahi Galan | 5-7, 6-4, 7-65 | | match details | ||
| 19.03.17 | q 1 | Alex De Minaur | Roberto Quiroz | 6-4, 5-7, 6-3 | | match details | Guadalajara Challenger | Hard |
| 24.02.17 | q 1 | Jumpei Yamasaki | Roberto Quiroz | 6-3, 3-6, 7-5 | | match details |  Yokohama Challenger | Hard |
| 15.02.17 | 2nd round | Stefan Kozlov | Roberto Quiroz | 6-4, 7-65 | | match details | Tempe Challenger | Hard |
| 13.02.17 | 1st round | Roberto Quiroz | Mackenzie Mcdonald | 3-6, 6-3, 6-4 | | match details | ||
| 25.01.17 | 1st round | Taro Daniel | Roberto Quiroz | 6-3, 6-4 | | match details | Maui Challenger | Hard |
| 23.01.17 | q 2 | Roberto Quiroz | Jack Withrow | 6-4, 6-2 | | match details | ||
| 23.01.17 | qual. | Roberto Quiroz | Jose Statham | 5-7, 7-64, 3-0, Jose Statham - retired | | match details | ||
| 11.01.17 | 1st round | Alexios Halebian | Roberto Quiroz | 6-711, 6-4, 6-4 | | match details | USA F2 | Hard |
| 06.01.17 | 2nd round | Roberto Quiroz | Henrik Wiersholm | 6-2, 6-4 | | match details | USA F1 | Hard |
| 06.01.17 | 1/4 | Mackenzie Mcdonald | Roberto Quiroz | 6-3, 7-5 | | match details | ||
| 03.01.17 | 1st round | Roberto Quiroz | Dekel Bar | 6-4, 6-4 | | match details | ||
| 12.10.16 | 2nd round | Peter Polansky | Roberto Quiroz | 7-65, 6-4 | | match details | Monterrey Challenger | Hard |
| 11.10.16 | 1st round | Roberto Quiroz | Kaichi Uchida | 7-63, 6-4 | | match details | ||
| 13.09.16 | 1st round | Eric Quigley | Roberto Quiroz | 7-5, 6-3 | | match details | Cary Challenger | Hard |
| 09.08.16 | 1st round | Jared Hiltzik | Roberto Quiroz | 5-7, 6-0, 6-3 | | match details | USA F27 | Hard |
| 07.08.16 | fin | Roberto Quiroz | Marc Polmans | 6-0, 3-6, 7-66 | | match details | USA F26 | Hard |
| 06.08.16 | 1/2 | Roberto Quiroz | Tennys Sandgren | 6-4, 2-6, 7-66 | | match details | ||
| 05.08.16 | 1/4 | Roberto Quiroz | Tom Fawcett | 4-6, 6-2, 6-1 | | match details | ||
| 04.08.16 | 2nd round | Roberto Quiroz | Strong Kirchheimer | 7-5, 6-4 | | match details | ||
| 02.08.16 | 1st round | Roberto Quiroz | Ryan Shane | 6-1, 6-3 | | match details | ||
| 28.07.16 | 2nd round | Connor Smith | Roberto Quiroz | 6-1, 6-4 | | match details | USA F25 | Hard |
| 26.07.16 | 1st round | Roberto Quiroz | Strong Kirchheimer | 2-6, 6-4, 6-2 | | match details | ||
| 29.05.16 | fin | Roberto Quiroz | Christopher Diaz-Figueroa | 7-5, 7-5 | | match details | Mexico F4 | Hard |
| 28.05.16 | 1/2 | Roberto Quiroz | Alejandro Gomez | 6-2, 6-2 | | match details | ||
| 27.05.16 | 1/4 | Roberto Quiroz | Luis Patino | 6-3, 7-65 | | match details | ||
| 26.05.16 | 2nd round | Roberto Quiroz | Jose Antonio Rodriguez | 6-4, 6-0 | | match details | ||
| 24.05.16 | 1st round | Roberto Quiroz | Adam El Mihdawy | 6-1, 7-5 | | match details | ||
| 21.05.16 | 1/2 | Adam El Mihdawy | Roberto Quiroz | 6-2, 6-4 | | match details | Mexico F3 | Hard |
| 20.05.16 | 1/4 | Roberto Quiroz | Raleigh Smith | 7-5, 7-60 | | match details | ||
| 18.05.16 | 2nd round | Roberto Quiroz | Dennis Nevolo | Dennis Nevolo - walk over | | match details | ||
| 16.05.16 | 1st round | Roberto Quiroz | Alejandro Mendoza | 6-2, 7-67 | | match details | ||
| 14.04.16 | 2nd round | Evan King | Roberto Quiroz | 6-2, 6-4 | | match details | USA F13 | Hard |
| 13.04.16 | 1st round | Roberto Quiroz | Alejandro Gomez | 6-3, 4-6, 6-4 | | match details | ||
| 11.04.16 | q 1 | Roberto Quiroz | Sebastian Bader | 6-4, 6-2 | | match details | ||
| 11.04.16 | q 2 | Roberto Quiroz | Ryan Ybarra | 4-6, 6-2, 6-4 | | match details | ||
| 11.04.16 | qual. | Roberto Quiroz | Robert Levine | 3-6, 6-3, 6-4 | | match details | ||
| 07.04.16 | 2nd round | Tennys Sandgren | Roberto Quiroz | 7-69, 6-2 | | match details | USA F12 | Hard |
| 07.04.16 | 1st round | Roberto Quiroz | Mikhail Vaks | 6-2, 7-5 | | match details | ||
| 04.04.16 | q 2 | Roberto Quiroz | Andrew Ely | 6-1, 6-1 | | match details | ||
| 04.04.16 | qual. | Roberto Quiroz | Ryan Lipman | 7-63, 4-6, 6-4 | | match details | ||
| 28.09.15 | Roberto Quiroz | Ibrahim Karmadzha | 6-0, 6-0 | | match details | USA F28 | Hard | |
| 28.09.15 | q 1 | Roberto Quiroz | Isaiah Strode | 6-1, 6-0 | | match details | ||
| 28.09.15 | q 2 | Roberto Quiroz | Riley Smith | 7-66, 6-3 | | match details | ||
| 28.09.15 | qual. | Hendrik Jebens | Roberto Quiroz | 6-4, 6-3 | | match details | ||
| 12.01.15 | 1st round | Eric James Johnson | Roberto Quiroz | 6-3, 5-7, 6-4 | | match details | USA F4 | Hard |
| 05.01.15 | 1st round | Frederik Nielsen | Roberto Quiroz | 6-2, 7-5 | | match details | USA F2 | Hard |
| 08.09.14 | 1st round | Roberto Quiroz | Gary Sacks | 6-3, 6-1 | | match details | USA F24 | Hard |
| 08.09.14 | 2nd round | Roberto Quiroz | Eric James Johnson | 6-3, 6-3 | | match details | ||
| 08.09.14 | 1/4 | Roberto Quiroz | Daniel Garza | 6-1, 7-5 | | match details | ||
| 08.09.14 | 1/2 | Salvatore Caruso | Roberto Quiroz | Roberto Quiroz - walk over | | match details | ||
| 11.08.14 | 2nd round | Roberto Quiroz | Yasin Sama | 6-1, 7-62 | | match details | Ecuador F2 | Hard |
| 11.08.14 | 1/4 | Roberto Quiroz | Connor Smith | 6-4, 6-4 | | match details | ||
| 11.08.14 | 1/2 | Gonzalo Escobar | Roberto Quiroz | 6-3, 1-6, 6-4 | | match details | ||
| 11.08.14 | 1st round | Roberto Quiroz | Wenceslao Albin Martin | 6-1, 7-65 | | match details | ||
| 21.07.14 | 1/4 | Roberto Quiroz | Thales Turini | 6-2, 6-3 | | match details | Venezuela F3 | Hard |
| 21.07.14 | 1/2 | Roberto Quiroz | Henrique Cunha | 6-4, 6-4 | | match details | ||
| 21.07.14 | 1st round | Roberto Quiroz | Nicolas Alberto Arreche | 6-1, 6-3 | | match details | ||
| 21.07.14 | fin | Roberto Quiroz | Jorge Brian Panta Herreros | 6-3, 6-4 | | match details | ||
| 21.07.14 | 2nd round | Roberto Quiroz | Jesus Bandres | 6-3, 6-2 | | match details | ||
| 14.07.14 | 2nd round | Roberto Quiroz | Luis Patino | 6-3, 5-7, 7-62 | | match details | Venezuela F2 | Hard |
| 14.07.14 | 1/2 | Mateo Nicolas Martinez | Roberto Quiroz | 6-71, 6-1, 6-4 | | match details | ||
| 14.07.14 | 1/4 | Roberto Quiroz | Henrique Cunha | 6-2, 6-74, 6-3 | | match details | ||
| 14.07.14 | 1st round | Roberto Quiroz | Andre Ku Meza | 6-4, 6-3 | | match details | ||
| 02.07.14 | 2nd round | Adrian Mannarino | Roberto Quiroz | 3-6, 6-2, 6-3 | | match details | Manta Challenger | Hard |
| 01.07.14 | 1st round | Roberto Quiroz | Tomas Lipovsek Puches | 7-5, 6-2 | | match details | ||
| 29.06.14 | qual. | Roberto Quiroz | Diego Quiroz | 6-0, 6-3 | | match details | ||
| 28.06.14 | q 1 | Roberto Quiroz | Amrit Narasimhan | 6-2, 6-3 | | match details | ||
| 19.08.13 | 1st round | Roberto Quiroz | Diego Quiroz | 6-1, 6-3 | | match details | Ecuador F2 | Hard |
| 19.08.13 | 2nd round | Benjamin Ugarte | Roberto Quiroz | 6-75, 6-4, 6-2 | | match details | ||
| 03.07.13 | 2nd round | Greg Jones | Roberto Quiroz | 6-4, 6-4 | | match details | Manta Challenger | Hard |
| 01.07.13 | 1st round | Roberto Quiroz | Nicolas Barrientos | 6-4, 6-4 | | match details | ||
| 20.08.12 | 1/2 | Jose Hernandez-Fernandez | Roberto Quiroz | 6-4, 6-2 | | match details | Ecuador F2 | Hard |
| 20.08.12 | 1st round | Roberto Quiroz | Allan Velasco | 6-0, 7-5 | | match details | ||
| 20.08.12 | 2nd round | Roberto Quiroz | Kirill Kasyanov | 6-4, 6-3 | | match details | ||
| 20.08.12 | 1/4 | Roberto Quiroz | Finn Tearney | 6-2, 6-3 | | match details | ||
| 13.08.12 | 1st round | Roberto Quiroz | Martin Trapero | 6-0, 6-1 | | match details | Ecuador F1 | Hard |
| 13.08.12 | 1/4 | Julio-Cesar Campozano | Roberto Quiroz | 6-74, 6-2, 6-2 | | match details | ||
| 13.08.12 | 2nd round | Roberto Quiroz | Andre Napolitano | 7-65, 6-1 | | match details | ||
| 01.08.12 | 2nd round | Joao Souza | Roberto Quiroz | 6-75, 7-66, 7-5 | | match details | Manta Challenger | Hard |
| 30.07.12 | 1st round | Roberto Quiroz | Nicolas Barrientos | 7-64, 6-4 | | match details | ||
| 08.08.11 | 2nd round | Alejandro Gonzalez | Roberto Quiroz | 6-2, 6-2 | | match details | Ecuador F5 | Hard |
| 08.08.11 | 1st round | Roberto Quiroz | Lautaro Pane | 6-4, 6-3 | | match details | ||
| 01.08.11 | 1st round | Gabriel Dias | Roberto Quiroz | 6-4, 6-3 | | match details | Ecuador F4 | Hard |
| 18.07.11 | 1st round | Daniel Garza | Roberto Quiroz | 6-3, 6-2 | | match details | Manta Challenger | Hard |
| 27.06.11 | 2nd round | Sebastian Decoud | Roberto Quiroz | 7-65, 6-3 | | match details | Venezuela F6 | Hard |
| 27.06.11 | 1st round | Roberto Quiroz | Felipe Escobar | 6-4, 6-2 | | match details | ||
| 20.06.11 | 1st round | Roberto Quiroz | Enrique Mattos | 6-0, 6-1 | | match details | Venezuela F5 | Hard |
| 20.06.11 | 2nd round | Eduardo Struvay | Roberto Quiroz | 6-2, 7-63 | | match details | ||
| 13.06.11 | 1st round | Eduardo Struvay | Roberto Quiroz | 6-2, 6-3 | | match details | Venezuela F4 | Hard |
| 09.05.11 | 1st round | Roberto Quiroz | Felipe Mantilla | 7-5, 6-3 | | match details | Venezuela F3 | Hard |
| 09.05.11 | 2nd round | David Souto | Roberto Quiroz | 6-1, 6-4 | | match details | ||
| 02.05.11 | 1st round | Roberto Quiroz | Armando Javier Boschetti | 6-1, 7-63 | | match details | Venezuela F2 | Hard |
| 02.05.11 | 2nd round | Roberto Quiroz | Nicolas Barrientos | 2-6, 7-65, 7-5 | | match details | ||
| 02.05.11 | 1/4 | Roberto Quiroz | Mauricio Echazu | 6-4, 6-4 | | match details | ||
| 02.05.11 | 1/2 | Duilio Beretta | Roberto Quiroz | 3-6, 7-62, 6-4 | | match details | ||
| 24.01.11 | 1st round | Christopher Diaz-Figueroa | Roberto Quiroz | 6-3, 6-4 | | match details |  Guatemala F1 | Hard |
| 13.09.10 | 1st round | Guido Andreozzi | Roberto Quiroz | 6-78, 6-0, 6-2 | | match details | Ecuador F2 | Hard |
| 06.09.10 | 1st round | George Morgan | Roberto Quiroz | 6-4, 4-6, 7-5 | | match details | U.S. Open | Hard |
| 26.04.10 | qual. | Roman Valent | Roberto Quiroz | 6-2, 6-1 | | match details | Manta Challenger | Hard |
| 26.04.10 | q 2 | Roberto Quiroz | Jefferson Garcia | 6-1, 6-0 | | match details | ||
| 12.10.09 | 2nd round | Rafael Camilo | Roberto Quiroz | 6-2, 6-2 | | match details |  Brazil F23 | Hard |
| 12.10.09 | 1st round | Roberto Quiroz | Wilson Leite | 5-7, 6-3, 6-3 | | match details | ||
| 03.08.09 | 2nd round | Julio-Cesar Campozano | Roberto Quiroz | 6-1, 7-61 | | match details | Ecuador F1 | Hard |
| 03.08.09 | 1st round | Roberto Quiroz | Patricio Alvarado | 6-74, 6-2, 6-4 | | match details | ||
| 20.07.09 | q 1 | Roberto Quiroz | Jose Loor | 6-0, 6-3 | | match details | Manta Challenger | Hard |
| 20.07.09 | qual. | Emilio Gomez | Roberto Quiroz | 6-3, 6-1 | | match details | ||
| 20.07.09 | q 2 | Roberto Quiroz | Ariel Behar | 4-6, 6-2, 6-1 | | match details | ||
| 25.08.08 | 1st round | Juan-Manuel Romanazzi | Roberto Quiroz | 6-1, 6-2 | | match details | Ecuador F3 | Hard |
| 18.08.08 | 1st round | Stanislav Ichkov | Roberto Quiroz | 6-4, 6-3 | | match details | Ecuador F2 | Hard |
| 27.08.07 | 1st round | Juan-Sebastian Cabal | Roberto Quiroz | 6-1, 6-1 | | match details | Ecuador F2 | Hard |