Stadium: M1 Round: 26 Ground: Clay
| Wimbledon MD | 2021/07/02 13:30 | Tsitsipas/Tsitsipas v Munar J / Norrie C | 5-7,6-7 |
| ATP - Lyon - Doubles Hommes | 2021/05/19 10:45 | Ebden/Smith v Tsitsipas/Tsitsipas | 7-6,6-3 |
| ATP - Rome - Doubles Hommes | 2021/05/11 12:20 | Tsitsipas/Tsitsipas v Kubot/Skugor | 6-7,3-6 |
| ATP - Madrid - Doubles Hommes | 2021/05/04 14:55 | Koolhof/Kubot v Tsitsipas/Tsitsipas | 6-4,5-7,10-6 |
| ATP - Monte-Carlo - Doubles Hommes | 2021/04/14 12:10 | Tsitsipas/Tsitsipas v Garin/Pella | 4-6,4-6 |
| ATP - Monte-Carlo - Doubles Hommes | 2021/04/13 15:00 | Krawietz/Tecau v Tsitsipas/Tsitsipas | 6-7,6-3,9-11 |
| ATP - Marseille - Doubles Hommes | 2021/03/10 15:30 | Tsitsipas/Tsitsipas v Glasspool/Heliovaara | 5-7,1-6 |
| ATP - Rotterdam - Doubles Hommes | 2021/03/05 18:00 | Kontinen H / Roger-Vasselin E v Tsitsipas/Tsitsipas | 6-2,7-6 |
| Wimbledon MD | 2021/07/01 12:10 | Puetz T / Venus M v Ebden/Smith | 6-1,6-7,11-13 |
| ATP Halle MD | 2021/06/19 16:00 | Puetz T / Venus M v Auger-Aliassime F / Hurkacz H | 6-7,2-6 |
| ATP Halle MD | 2021/06/18 09:00 | Krajicek/Querrey v Puetz T / Venus M | 3-6,4-6 |
| ATP Halle MD | 2021/06/17 09:00 | Hanfmann/Koepfer v Puetz T / Venus M | 6-7,2-6 |