Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ATP Hamburg - Herrdubbel | 2021/07/18 09:00 | Krawietz/Tecau v Puetz/Venus | 3-6,7-6,8-10 |
| ATP Hamburg - Herrdubbel | 2021/07/16 15:00 | Golubev/Nedovyesov v Puetz/Venus | 3-6,4-6 |
| ATP Hamburg - Herrdubbel | 2021/07/13 15:25 | Tsitsipas/Tsitsipas v Puetz/Venus | 5-7,6-7 |
| Wimbledon - Herrdubbel | 2021/07/01 12:10 | Puetz/Venus v Ebden/Smith | 6-1,6-7,11-13 |
| ATP Halle - Herrdubbel | 2021/06/19 16:00 | Puetz/Venus v Auger Aliassime/Hurkacz | 6-7,2-6 |
| ATP Halle - Herrdubbel | 2021/06/18 09:00 | Krajicek/Querrey v Puetz/Venus | 3-6,4-6 |
| ATP Halle - Herrdubbel | 2021/06/17 09:00 | Hanfmann/Koepfer v Puetz/Venus | 6-7,2-6 |
| ATP Washington - Herrdubbel | 2021/08/02 22:25 | Norrie/Saville v Gille/Vliegen | 6-4,6-4 |
| OS 2020 - Herrdubbel | 2021/07/24 02:00 | Koolhof/Rojer v Gille/Vliegen | 6-3,7-6 |
| Wimbledon - Herrdubbel | 2021/07/01 10:00 | Gille/Vliegen v Marach/Qureshi | 4-6,4-6 |
| ATP Halle - Herrdubbel | 2021/06/18 12:00 | Krawietz/Tecau v Gille/Vliegen | 7-6,7-5 |
| ATP Halle - Herrdubbel | 2021/06/17 13:45 | Gille/Vliegen v Bopanna/Sharan | 6-3,7-6 |
| ATP Halle - Herrdubbel | 2021/06/16 14:45 | Gille/Vliegen v Saville/Thompson | 7-6,6-3 |
| French Open - Herrdubbel | 2021/06/06 09:00 | Andujar/Martinez v Gille/Vliegen | 6-4,7-6 |
| French Open - Herrdubbel | 2021/06/04 09:00 | Krajicek/Sandgren v Gille/Vliegen | 4-6,1-6 |