Stadium: Court 11 Round: 24 Ground: Grass
| 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 |
| French Open MD | 2021/06/04 09:00 | Krajicek/Sandgren v Gille/Vliegen | 4-6,1-6 |
| French Open MD | 2021/06/02 10:25 | Sonego/Vavassori v Gille/Vliegen | 4-6,4-6 |
| ATP Parma MD | 2021/05/26 09:00 | Gille/Vliegen v Passaro/Travaglia | 7-6,6-4 |
| ATP Rome MD | 2021/05/12 17:25 | Gille/Vliegen v Ram/Salisbury | 3-6,6-2,10-12 |
| ATP Mallorca MD | 2021/06/24 11:45 | Djokovic/Gomez-Herrera v Marach/Qureshi | 6-3,7-6 |
| ATP Mallorca MD | 2021/06/23 14:00 | Marach/Qureshi v Mannarino/Reyes-Varela | 6-3,6-4 |
| ATP Mallorca MD | 2021/06/20 15:40 | Marach/Qureshi v Goransson/Ruud | 6-7,6-4,10-8 |
| ATP Halle MD | 2021/06/16 12:20 | Erlich/Harris v Marach/Qureshi | 6-3,6-3 |
| ATP Stuttgart MD | 2021/06/09 11:55 | Hurkacz/Kubot v Marach/Qureshi | 6-3,6-4 |
| French Open MD | 2021/06/03 13:25 | Murray/Soares v Marach/Qureshi | 7-5,6-1 |
| French Open MD | 2021/06/02 09:00 | Marach/Qureshi v Demoliner/Gonzalez | 3-6,7-5,6-2 |
| ATP Parma MD | 2021/05/29 10:30 | Bolelli/Gonzalez v Marach/Qureshi | 6-3,6-3 |