Stadium: Centre Court Round: 29 Ground: Hardcourt indoor
| 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 |
| Wimbledon MD | 2021/07/01 17:00 | Koolhof/Rojer v Glasspool/Heliovaara | 7-5,3-6,4-6 |
| ATP Halle MD | 2021/06/17 10:35 | Koolhof/Rojer v Auger Aliassime/Hurkacz | 6-7,3-6 |
| French Open MD | 2021/06/05 12:25 | Koolhof/Rojer v Bublik/Golubev | 6-7,6-3,4-6 |
| French Open MD | 2021/06/04 11:25 | Koolhof/Rojer v Koepfer/Ruusuvuori | 6-4,7-6 |
| 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 |