05.11.21 | 1/4 | John Peers/Filip Polasek | Sander Gille/Joran Vliegen | 7-5, 3-0, Sander Gille/Joran Vliegen - retired | | match details | Paris | I. hard |
04.11.21 | 2nd round | Sander Gille/Joran Vliegen | Nikola Mektic/Mate Pavic | 6-3, 7-66 | | match details |
02.11.21 | 1st round | Sander Gille/Joran Vliegen | Simone Bolelli/Maximo Gonzalez | 7-62, 6-4 | | match details |
20.10.21 | 1st round | Federico Delbonis/David Vega Hernandez | Sander Gille/Joran Vliegen | 5-7, 6-4, 11-9 | | match details | Antwerp | I. hard |
11.10.21 | 2nd round | Ivan Dodig/Marcelo Melo | Sander Gille/Joran Vliegen | 6-4, 4-6, 10-5 | | match details | Indian Wells | Hard |
08.10.21 | 1st round | Sander Gille/Joran Vliegen | Roberto Bautista Agut/Alejandro Davidovich Fokina | 4-6, 6-3, 11-9 | | match details |
19.09.21 | | Sander Gille/Joran Vliegen | Boris Arias/Federico Zeballos | 6-3, 6-4 | | match details | Davis Cup | Clay |
04.09.21 | 2nd round | Jonny O'Mara/Aisam Qureshi | Sander Gille/Joran Vliegen | 3-6, 6-3, 7-63 | | match details | New York | Hard |
03.09.21 | 1st round | Sander Gille/Joran Vliegen | Ilya Ivashka/Jaume Antoni Munar Clar | 6-3, 6-3 | | match details |
23.08.21 | 1st round | Oliver Marach/Philipp Oswald | Sander Gille/Joran Vliegen | 7-64, 5-7, 10-4 | | match details | Winston-Salem | Hard |
18.08.21 | 1st round | Wesley Koolhof/Jan-Lennard Struff | Sander Gille/Joran Vliegen | 6-4, 7-63 | | match details | Cincinnati | Hard |
14.08.21 | 1/2 | Rajeev Ram/Joe Salisbury | Sander Gille/Joran Vliegen | 6-3, 7-5 | | match details | Toronto | Hard |
13.08.21 | 1/4 | Sander Gille/Joran Vliegen | Juan-Sebastian Cabal/Robert Farah | 6-75, 6-2, 10-8 | | match details |
12.08.21 | 2nd round | Sander Gille/Joran Vliegen | Wesley Koolhof/Austin Krajicek | 7-65, 2-6, 10-8 | | match details |
11.08.21 | 1st round | Sander Gille/Joran Vliegen | Tim Puetz/Michael Venus | 7-5, 7-63 | | match details |
02.08.21 | 1st round | Cameron Norrie/Luke Saville | Sander Gille/Joran Vliegen | 6-4, 6-4 | | match details | Washington | Hard |
24.07.21 | 1st round | Wesley Koolhof/Jean-Julien Rojer | Sander Gille/Joran Vliegen | 6-3, 7-65 | | match details | Tokyo | Hard |
01.07.21 | 1st round | Oliver Marach/Aisam Qureshi | Sander Gille/Joran Vliegen | 6-4, 6-4 | | match details | London | Grass |
18.06.21 | 1/2 | Kevin Krawietz/Horia Tecau | Sander Gille/Joran Vliegen | 7-66, 7-5 | | match details | Halle | Grass |
17.06.21 | 1/4 | Sander Gille/Joran Vliegen | Rohan Bopanna/Divij Sharan | 6-3, 7-63 | | match details |
16.06.21 | 2nd round | Sander Gille/Joran Vliegen | Luke Saville/Jordan Thompson | 7-64, 6-3 | | match details |
06.06.21 | 3rd round | Pablo Andujar/Pedro Martinez Portero | Sander Gille/Joran Vliegen | 6-4, 7-66 | | match details | Paris | Clay |
04.06.21 | 2nd round | Sander Gille/Joran Vliegen | Austin Krajicek/Tennys Sandgren | 6-4, 6-1 | | match details |
02.06.21 | 1st round | Sander Gille/Joran Vliegen | Lorenzo Sonego/Andrea Vavassori | 6-4, 6-4 | | match details |
27.05.21 | 1/4 | Roman Jebavy/Aleksandr Nedovyesov | Sander Gille/Joran Vliegen | Sander Gille/Joran Vliegen - walk over | | match details | Parma | Clay |
26.05.21 | 1st round | Sander Gille/Joran Vliegen | Francesco Passaro/Stefano Travaglia | 7-65, 6-4 | | match details |
12.05.21 | 1st round | Rajeev Ram/Joe Salisbury | Sander Gille/Joran Vliegen | 6-3, 2-6, 12-10 | | match details | Rome | Clay |
08.05.21 | 1/2 | Nikola Mektic/Mate Pavic | Sander Gille/Joran Vliegen | 6-4, 6-2 | | match details | Madrid | Clay |
07.05.21 | 1/4 | Sander Gille/Joran Vliegen | Ivan Dodig/Filip Polasek | 6-3, 3-6, 10-5 | | match details |
06.05.21 | 2nd round | Sander Gille/Joran Vliegen | Alexander Bublik/Cristian Garin | Alexander Bublik/Cristian Garin - walk over | | match details |
04.05.21 | 1st round | Sander Gille/Joran Vliegen | Marton Fucsovics/Casper Ruud | 6-3, 6-4 | | match details |
02.05.21 | fin | Wesley Koolhof/Kevin Krawietz | Sander Gille/Joran Vliegen | 4-6, 6-4, 10-5 | | match details | Munich | Clay |
30.04.21 | 1/2 | Sander Gille/Joran Vliegen | Dustin Brown/Peter Gojowczyk | 6-3, 6-72, 13-11 | | match details |
28.04.21 | 1/4 | Sander Gille/Joran Vliegen | Federico Coria/Guido Pella | Federico Coria/Guido Pella - walk over | | match details |
27.04.21 | 1st round | Sander Gille/Joran Vliegen | Jonathan Erlich/Divij Sharan | 6-3, 6-2 | | match details |
13.04.21 | 1st round | Daniel Evans/Neal Skupski | Sander Gille/Joran Vliegen | 7-65, 3-6, 10-8 | | match details | Monte-Carlo | Clay |
05.04.21 | 1st round | David Marrero/Adrian Menendez-Maceiras | Sander Gille/Joran Vliegen | 4-6, 7-65, 10-8 | | match details | Marbella | Clay |
25.03.21 | 1st round | Felix Auger Aliassime/Hubert Hurkacz | Sander Gille/Joran Vliegen | 6-4, 6-3 | | match details | Miami | Hard |
03.03.21 | 1st round | Petros Tsitsipas/Stefanos Tsitsipas | Sander Gille/Joran Vliegen | 6-2, 6-3 | | match details | Rotterdam | I. hard |
28.02.21 | fin | Sander Gille/Joran Vliegen | Matthew Ebden/John-Patrick Smith | 6-2, 6-3 | | match details | Singapore | I. hard |
26.02.21 | 1/2 | Sander Gille/Joran Vliegen | Luke Bambridge/Dominic Inglot | 6-4, 6-4 | | match details |
25.02.21 | 1/4 | Sander Gille/Joran Vliegen | Purav Raja/Ramkumar Ramanathan | 6-4, 7-63 | | match details |
23.02.21 | 1st round | Sander Gille/Joran Vliegen | Evan King/Hunter Reese | 7-63, 6-3 | | match details |
11.02.21 | 1st round | Dominik Koepfer/Tennys Sandgren | Sander Gille/Joran Vliegen | 6-74, 6-2, 7-68 | | match details | Melbourne | Hard |
06.02.21 | 1/4 | Nikola Mektic/Mate Pavic | Sander Gille/Joran Vliegen | 7-64, 3-6, 10-6 | | match details | Melbourne | Hard |
03.02.21 | 2nd round | Sander Gille/Joran Vliegen | Mackenzie McDonald/Tommy Paul | 6-4, 6-74, 10-8 | | match details |