Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Setubal | 2023/09/18 09:00 | Daniel Marincas v Peter Sychev | 6-2,6-2 |
| ITF M25 Sintra | 2023/09/11 13:00 | Alejandro T Alvarez v Peter Sychev | 6-1,6-1 |
| ITF M25 Sintra | 2023/09/06 10:50 | Diego F Flores v Peter Sychev | 6-3,6-1 |
| ITF M25 Idanha-A-Nova | 2023/08/28 11:20 | Daniel Batista v Peter Sychev | 6-2,6-2 |
| ITF M25 Idanha-A-Nova | 2023/08/27 12:00 | Tomas Tenil v Peter Sychev | 1-6,2-6 |
| ITF M25 Idanha-A-Nova | 2023/08/21 08:00 | Patricio Alvarado v Peter Sychev | 3-6,6-2,10-6 |
| ITF M25 Idanha-A-Nova | 2023/08/20 10:00 | Manuel G Pinheiro v Peter Sychev | 6-3,4-6,6-10 |
| ITF M25 Quinta Do Lago | 2023/03/08 13:45 | Ian Luca Cervantes Tomas v Peter Sychev | 6-0,6-3 |
| ITF M25 Pardubice | 2023/09/18 08:00 | Stepan Pecak v Aleksander Chayka | 2-6,1-6 |
| ITF M15 Buschhausen | 2023/09/10 14:30 | Stepan Pecak v Matteo Lavizzari | 3-6,1-6 |
| ITF M25 Sion | 2023/08/31 10:00 | Remy Bertola v Stepan Pecak | 6-1,6-0 |
| ITF M25 Sion | 2023/08/30 08:00 | Stepan Pecak v Jan Jermar | 5-7,7-6,6-3 |
| ITF M25 Sion | 2023/08/28 17:25 | Thomas Mathys v Stepan Pecak | 2-6,2-6 |
| ITF M25 Sion | 2023/08/27 12:35 | Francesco Schmitz v Stepan Pecak | 4-6,2-6 |
| ITF M15 Caslano | 2023/08/20 14:40 | Davide Ferrarolli v Stepan Pecak | 6-2,6-4 |
| ITF M25 Kramsach | 2023/07/24 09:00 | Manuel Plunger v Stepan Pecak | 6-1,6-2 |