Stadium: Center Court Round: 29 Ground: Hardcourt indoor
| ATP Antwerp MD | 2021/10/23 17:10 | Harris/Malisse v Koolhof/Rojer | 4-6,2-6 |
| ATP Antwerp MD | 2021/10/20 12:20 | Koolhof/Rojer v Jebavy/Vasilevski | 6-4,6-2 |
| ATP Indian Wells MD | 2021/10/12 21:35 | Koolhof/Rojer v Peers/Polasek | 4-6,6-7 |
| ATP Indian Wells MD | 2021/10/10 18:00 | Koolhof/Rojer v Krajicek/Mies | 1-6,7-6,10-5 |
| US Open MD | 2021/09/06 20:20 | Peers/Polasek v Koolhof/Rojer | 4-6,6-3,6-4 |
| US Open MD | 2021/09/04 15:00 | Galloway/Lawson v Koolhof/Rojer | 3-6,6-7 |
| US Open MD | 2021/09/03 17:00 | Karatsev/Nedovyesov v Koolhof/Rojer | 6-7,1-6 |
| Olympics 2020 - MD | 2021/07/24 02:00 | Koolhof/Rojer v Gille/Vliegen | 6-3,7-6 |
| ATP Antwerp MD | 2021/10/22 11:00 | Molchanov/Nedovyesov v Mahut/Martin | 6-7,2-6 |
| ATP Antwerp MD | 2021/10/21 12:20 | Marach/Oswald v Mahut/Martin | 6-7,4-6 |
| ATP Antwerp MD | 2021/10/19 11:00 | Bemelmans/Coppejans v Mahut/Martin | 3-6,2-6 |
| ATP Winston-Salem MD | 2021/08/23 18:00 | Brkic/Cacic v Mahut/Martin | 4-6,1-6 |
| ATP Hamburg MD | 2020/09/24 11:50 | Rojer/Tecau v Mahut/Martin | 6-3,7-5 |
| ATP Hamburg MD | 2020/09/23 08:30 | Nielsen/Puetz v Mahut/Martin | 5-7,5-7 |