Stadium: Court 4 Round: 62 Ground: Clay
| ITF M25 Jablonec Nad Nisou | 2023/05/28 09:00 | Jiri Krouzek v Stepan Pecak | 1-6,7-5,10-5 |
| ITF M25 Most | 2023/05/23 08:00 | Robert Rumler v Stepan Pecak | 6-1,6-3 |
| ITF M25 Most | 2023/05/22 09:00 | Shu Matsuoka v Stepan Pecak | 4-6,6-7 |
| ITF M25 Most | 2023/05/21 09:00 | Stepan Pecak v Andrin Casanova | 6-1,6-4 |
| ITF M25 Prague | 2023/05/15 11:00 | Illya Beloborodko v Stepan Pecak | 6-2,7-6 |
| ITF M15 Osijek | 2023/04/30 11:00 | Stepan Pecak v Lucio Carnevalle | 2-6,2-6 |
| ITF M25 Trnava | 2023/03/27 10:30 | Stepan Pecak v Adam Jurajda | 7-6,2-6,9-11 |
| ITF M25 Quinta Do Lago | 2023/03/08 12:00 | Stepan Pecak v Pijus Vaitiekunas | 5-7,4-6 |
| ITF M15 Antalya | 2023/05/15 09:55 | Aleksander Chayka v Dmitry Dolzhenkov | 1-6,4-6 |
| ITF M15 Antalya | 2023/05/14 12:00 | Ruben Gospodjinacki v Aleksander Chayka | 2-6,4-6 |
| ITF M15 Antalya | 2023/05/08 13:20 | Mikhail Gorokhov v Aleksander Chayka | 4-6,6-2,10-5 |
| ITF M15 Antalya | 2023/05/07 07:00 | Aleksander Chayka v Siavash Shirdel | 6-0,6-4 |
| ITF M15 Antalya | 2023/04/30 07:00 | Aleksander Chayka v Kaya Arinc | 5-7,4-6 |
| ITF M15 Antalya | 2023/04/24 13:15 | Juan Manuel La Serna v Aleksander Chayka | 6-3,6-3 |
| ITF M15 Antalya | 2023/04/23 07:00 | Ainur Garifullin v Aleksander Chayka | 0-6,2-6 |
| ITF M15 Antalya | 2023/04/16 07:00 | Dario Huber v Aleksander Chayka | 5-7,6-4,10-5 |