Stadium: Court 12 Round: 24 Ground: Hardcourt outdoor
| ATP Winston-Salem MD | 2021/08/23 20:40 | Marach O / Oswald P v Gille/Vliegen | 7-6,5-7,10-4 |
| ATP Cincinnati MD | 2021/08/18 15:00 | Gille/Vliegen v Koolhof/Struff | 4-6,6-7 |
| ATP Toronto MD | 2021/08/14 22:00 | Ram/Salisbury v Gille/Vliegen | 6-3,7-5 |
| ATP Toronto MD | 2021/08/13 21:55 | Gille/Vliegen v Cabal / Farah | 6-7,6-2,10-8 |
| ATP Toronto MD | 2021/08/12 16:20 | Gille/Vliegen v Koolhof/Krajicek | 7-6,2-6,10-8 |
| ATP Toronto MD | 2021/08/11 16:30 | Puetz T / Venus M 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/Jean-Julien Rojer v Gille/Vliegen | 6-3,7-6 |