19.09.21 | | Sander Gille/Joran Vliegen | Boris Arias/Federico Zeballos | 6-3, 6-4 | | detaliu meci | Davis Cup | Zgura |
06.06.21 | a 3-a rundă | Pablo Andujar/Pedro Martinez Portero | Sander Gille/Joran Vliegen | 6-4, 7-66 | | detaliu meci | Paris | Zgura |
04.06.21 | a 2-a rundă | Sander Gille/Joran Vliegen | Austin Krajicek/Tennys Sandgren | 6-4, 6-1 | | detaliu meci |
02.06.21 | 1-a rundă | Sander Gille/Joran Vliegen | Lorenzo Sonego/Andrea Vavassori | 6-4, 6-4 | | detaliu meci |
27.05.21 | Sfert de finală | Roman Jebavy/Aleksandr Nedovyesov | Sander Gille/Joran Vliegen | Sander Gille/Joran Vliegen - nu s-a prezentat | | detaliu meci | Parma | Zgura |
26.05.21 | 1-a rundă | Sander Gille/Joran Vliegen | Francesco Passaro/Stefano Travaglia | 7-65, 6-4 | | detaliu meci |
12.05.21 | 1-a rundă | Rajeev Ram/Joe Salisbury | Sander Gille/Joran Vliegen | 6-3, 2-6, 12-10 | | detaliu meci | Rome | Zgura |
08.05.21 | Semifinală | Nikola Mektic/Mate Pavic | Sander Gille/Joran Vliegen | 6-4, 6-2 | | detaliu meci | Madrid | Zgura |
07.05.21 | Sfert de finală | Sander Gille/Joran Vliegen | Ivan Dodig/Filip Polasek | 6-3, 3-6, 10-5 | | detaliu meci |
06.05.21 | a 2-a rundă | Sander Gille/Joran Vliegen | Alexander Bublik/Cristian Garin | Alexander Bublik/Cristian Garin - nu s-a prezentat | | detaliu meci |
04.05.21 | 1-a rundă | Sander Gille/Joran Vliegen | Marton Fucsovics/Casper Ruud | 6-3, 6-4 | | detaliu meci |
02.05.21 | Finală | Wesley Koolhof/Kevin Krawietz | Sander Gille/Joran Vliegen | 4-6, 6-4, 10-5 | | detaliu meci | Munich | Zgura |
30.04.21 | Semifinală | Sander Gille/Joran Vliegen | Dustin Brown/Peter Gojowczyk | 6-3, 6-72, 13-11 | | detaliu meci |
28.04.21 | Sfert de finală | Sander Gille/Joran Vliegen | Federico Coria/Guido Pella | Federico Coria/Guido Pella - nu s-a prezentat | | detaliu meci |
27.04.21 | 1-a rundă | Sander Gille/Joran Vliegen | Jonathan Erlich/Divij Sharan | 6-3, 6-2 | | detaliu meci |
13.04.21 | 1-a rundă | Daniel Evans/Neal Skupski | Sander Gille/Joran Vliegen | 7-65, 3-6, 10-8 | | detaliu meci | Monte-Carlo | Zgura |
05.04.21 | 1-a rundă | David Marrero/Adrian Menendez-Maceiras | Sander Gille/Joran Vliegen | 4-6, 7-65, 10-8 | | detaliu meci | Marbella | Zgura |