Stadium: Court 1 Round: 28 Ground: Clay
| ITF M25 Frankfurt am Main | 2021/08/13 14:00 | Lucas Gerch v Louis Wessels | 3-6,6-3,6-4 |
| ITF M25 Frankfurt am Main | 2021/08/12 11:15 | Matthew Romios v Lucas Gerch | 6-7,1-6 |
| ITF M25 Frankfurt am Main | 2021/08/11 15:30 | Kai Wehnelt v Lucas Gerch | 6-3,2-6,4-6 |
| ITF M25 Wetzlar | 2021/08/04 09:55 | Daniel Cukierman v Lucas Gerch | 6-3,2-6,6-4 |
| Challenger Poznan | 2021/07/26 11:35 | David Poljak v Lucas Gerch | 7-5,1-6,6-4 |
| Challenger Poznan | 2021/07/25 10:30 | Sebastian Fanselow v Lucas Gerch | 2-6,5-7 |
| ITF M25 Hága | 2021/07/01 09:55 | Manuel Guinard v Lucas Gerch | 6-3,6-2 |
| ITF M25 Hága | 2021/06/29 11:20 | Lucas Gerch v Vladimir Ivanov | 6-1,6-2 |
| ITF M25 Frankfurt am Main | 2021/08/13 09:50 | Mariano Kestelboim v Yshai Oliel | 2-6,2-6 |
| ITF M25 Frankfurt am Main | 2021/08/12 11:50 | Arnaud Bovy v Yshai Oliel | 3-6,4-6 |
| ITF M25 Frankfurt am Main | 2021/08/11 10:40 | Milos Karol v Yshai Oliel | 4-6,2-6 |
| Challenger Nur-Sultan | 2021/07/19 04:00 | Yshai Oliel v Oleksii Krutykh | 6-3,3-6,2-6 |
| Challenger Nur-Sultan - selejtezők | 2021/07/18 07:40 | Yshai Oliel v Kirill Kolganov | 6-2,6-0 |
| Challenger Nur-Sultan | 2021/07/12 06:30 | Andrey Kuznetsov v Yshai Oliel | 7-5,6-4 |
| Challenger Nur-Sultan | 2021/07/11 06:35 | Sanjar Fayziev v Yshai Oliel | 1-6,7-6,1-6 |
| ITF M25 Nur-Sultan | 2021/07/09 08:30 | Evgeny Karlovskiy v Yshai Oliel | 6-2,6-4 |