Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ATP Toronto MD | 2021/08/11 16:30 | Puetz/Venus v Gille/Vliegen | 5-7,6-7 |
| ATP Washington MD | 2021/08/02 22:25 | Norrie/Saville v Gille/Vliegen | 6-4,6-4 |
| Olympics 2020 - MD | 2021/07/24 02:00 | Koolhof/Rojer v Gille/Vliegen | 6-3,7-6 |
| Wimbledon MD | 2021/07/01 10:00 | Gille/Vliegen v Marach/Qureshi | 4-6,4-6 |
| ATP Halle MD | 2021/06/18 12:00 | Krawietz/Tecau v Gille/Vliegen | 7-6,7-5 |
| ATP Halle MD | 2021/06/17 13:45 | Gille/Vliegen v Bopanna/Sharan | 6-3,7-6 |
| ATP Halle MD | 2021/06/16 14:45 | Gille/Vliegen v Saville/Thompson | 7-6,6-3 |
| French Open MD | 2021/06/06 09:00 | Andujar/Martinez v Gille/Vliegen | 6-4,7-6 |
| ATP Toronto MD | 2021/08/11 19:40 | Klaasen/Mclachlan v Koolhof/Krajicek | 4-6,6-7 |