Stadium: Court 9 Round: 24 Ground: Hardcourt outdoor
| French Open MD | 2021/06/04 11:25 | Koolhof/Jean-Julien Rojer v Koepfer/Ruusuvuori | 6-4,7-6 |
| French Open MD | 2021/06/02 09:00 | Bedene/Withrow v Koepfer/Ruusuvuori | 1-6,4-6 |
| ATP Cincinnati MD | 2021/08/20 15:00 | Cabal / Farah v Puetz T / Venus M | 6-4,6-4 |
| ATP Cincinnati MD | 2021/08/19 16:05 | Koolhof/Struff v Puetz T / Venus M | 5-7,3-6 |
| ATP Cincinnati MD | 2021/08/18 15:00 | Puetz T / Venus M v Kubot L / Melo M | 6-2,6-3 |
| ATP Toronto MD | 2021/08/11 16:30 | Puetz T / Venus M v Gille/Vliegen | 5-7,6-7 |
| ATP Hamburg MD | 2021/07/18 09:00 | Krawietz/Tecau v Puetz T / Venus M | 3-6,7-6,8-10 |
| ATP Hamburg MD | 2021/07/16 15:00 | Golubev A / Nedovyesov A v Puetz T / Venus M | 3-6,4-6 |
| ATP Hamburg MD | 2021/07/13 15:25 | Tsitsipas/Tsitsipas v Puetz T / Venus M | 5-7,6-7 |
| Wimbledon MD | 2021/07/01 12:10 | Puetz T / Venus M v Ebden/Smith | 6-1,6-7,11-13 |