Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| ATP Toronto - Herredouble | 2021/08/14 22:00 | Ram/Salisbury v Gille/Vliegen | 6-3,7-5 |
| ATP Toronto - Herredouble | 2021/08/13 21:55 | Gille/Vliegen v Cabal/Farah | 6-7,6-2,10-8 |
| ATP Toronto - Herredouble | 2021/08/12 16:20 | Gille/Vliegen v Koolhof/Krajicek | 7-6,2-6,10-8 |
| ATP Toronto - Herredouble | 2021/08/11 16:30 | Puetz/Venus v Gille/Vliegen | 5-7,6-7 |
| ATP Washington - Herredouble | 2021/08/02 22:25 | Norrie/Saville v Gille/Vliegen | 6-4,6-4 |
| OL 2020 - Herredouble | 2021/07/24 02:00 | Koolhof/Rojer v Gille/Vliegen | 6-3,7-6 |
| Wimbledon - Herredouble | 2021/07/01 10:00 | Gille/Vliegen v Marach/Qureshi | 4-6,4-6 |
| ATP Halle - Herredouble | 2021/06/18 12:00 | Krawietz/Tecau v Gille/Vliegen | 7-6,7-5 |