Stadium: Rogers 5G Grandstand Round: 27 Ground: Hardcourt outdoor
| ATP Toronto MD | 2021/08/11 21:50 | Krawietz/Tecau v Marach/Oswald | 6-2,1-6,12-10 |
| ATP Hamburg MD | 2021/07/18 09:00 | Krawietz/Tecau v Puetz/Venus | 3-6,7-6,8-10 |
| ATP Hamburg MD | 2021/07/17 09:00 | Krawietz/Tecau v Cerretani/Verdugo | 6-3,6-4 |
| ATP Hamburg MD | 2021/07/14 17:20 | Krawietz/Tecau v Altmaier/Molleker | 6-3,6-2 |
| ATP Hamburg MD | 2021/07/13 17:25 | Krawietz/Tecau v Gonzales/Johnson | 6-0,6-1 |
| Wimbledon MD | 2021/07/02 15:05 | Goransson/Ruud v Krawietz/Tecau | 6-4,7-6 |
| Wimbledon MD | 2021/07/01 18:10 | Caruso/Davidovich Fokina v Krawietz/Tecau | 3-6,6-7 |
| ATP Halle MD | 2021/06/20 09:30 | Auger Aliassime/Hurkacz v Krawietz/Tecau | 6-7,4-6 |
| ATP Toronto MD | 2021/08/12 18:00 | Karatsev/Lajovic v Kubot/Melo | 6-4,6-4 |
| ATP Toronto MD | 2021/08/09 16:55 | De Minaur/Norrie v Karatsev/Lajovic | 4-6,7-6,8-10 |