Stadium: Court 6 Round: 26 Ground: Clay
| ITF M25 Frankfurt am Main | 2021/08/11 14:00 | Mertens, Yannick v Daniel Cukierman | 3-6,3-6 |
| ITF M25 Frankfurt am Main | 2021/08/10 08:20 | Daniel Cukierman v Karlo Cubelic | 2-6,6-4,10-2 |
| ITF M25 Frankfurt am Main | 2021/08/09 10:50 | Daniel Cukierman v Dominik Kellovsky | 6-2,6-3 |
| ITF M25 Wetzlar | 2021/08/05 10:40 | David Pichler v Daniel Cukierman | 6-2,6-4 |
| ITF M25 Wetzlar | 2021/08/04 09:55 | Daniel Cukierman v Lucas Gerch | 6-3,2-6,6-4 |
| ITF M25 Wetzlar | 2021/08/03 09:00 | Daniel Cukierman v Stepan Pecak | 6-1,6-1 |
| ITF M25 Wetzlar | 2021/08/02 08:00 | Daniel Cukierman v Papik, Tomas | 3-6,7-6,10-4 |
| ITF M25 Telavi | 2021/07/27 07:30 | Vladyslav Orlov v Daniel Cukierman | 7-5,2-6,7-6 |
| ITF M25 Frankfurt am Main | 2021/08/10 12:20 | Florig, Philip v Pedro Sakamoto | 4-6,1-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 14:25 | Pedro Sakamoto v Illya Beloborodko | 4-6,4-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 07:00 | Pedro Sakamoto v Giacomo Revelli | 5-7,6-2,6-3 |
| Challenger Trieste | 2021/07/27 16:00 | Giulio Zeppieri v Pedro Sakamoto | 3-6,6-3,6-3 |
| Challenger Trieste | 2021/07/26 13:30 | Pedro Sakamoto v Hernan Casanova | 6-4,7-6 |
| Challenger Trieste | 2021/07/25 13:05 | Pedro Sakamoto v Forti, Francesco | 7-6,6-4 |
| Gstaad, Switzerland | 2021/07/17 14:30 | Enzo Couacaud v Pedro Sakamoto | 6-1,6-3 |
| Challenger Todi | 2021/07/12 14:40 | Flavio Cobolli v Pedro Sakamoto | 3-6,6-4,6-3 |