Stadium: Court 5 Round: 25 Ground: Clay
| ITF M25 Frankfurt am Main | 2021/08/12 09:00 | Daniel Cukierman v Pedro Sakamoto | 6-3,1-6,6-1 |
| ITF M25 Frankfurt am Main | 2021/08/10 12:20 | Philip Florig 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 Francesco Forti | 7-6,6-4 |
| ATP Gstaad | 2021/07/17 14:30 | Enzo Couacaud v Pedro Sakamoto | 6-1,6-3 |
| ITF M15 Telavi | 2021/08/07 06:30 | Oleg Prihodko v Yan Bondarevskiy | 7-6,6-3 |
| ITF M15 Telavi | 2021/08/06 06:30 | Yanki Erel v Oleg Prihodko | 6-3,3-6,5-7 |
| ITF M15 Telavi | 2021/08/05 06:30 | Julian Cash v Oleg Prihodko | 1-6,5-7 |
| ITF M15 Telavi | 2021/08/04 06:30 | Alessandro Ingarao v Oleg Prihodko | 0-6,5-7 |
| ITF M15 Telavi | 2021/08/03 11:10 | Roman Andres Burruchaga v Oleg Prihodko | 1-6,4-6 |
| ITF M25 Denia | 2021/07/28 10:05 | Carlos Sanchez Jover v Oleg Prihodko | 7-5,7-5 |
| ITF M25 Denia | 2021/07/27 08:00 | Oleg Prihodko v Alejandro Garcia | 6-3,7-6 |
| ITF M25 Denia | 2021/07/26 09:30 | Oleg Prihodko v Vicente O Moratalla | 6-4,6-2 |