Stadium: Celje 1 Round: 54 Ground: Clay
| ITF M25 Split | 2023/04/18 09:45 | Jan Kupcic v Ivan Kremenchutskyi | 6-4,6-2 |
| ITF M15 Porec | 2023/03/05 09:00 | Jan Kupcic v Ivan Kremenchutskyi | 6-0,6-0 |
| ITF M25 Risskov/Aarhus | 2023/06/12 07:55 | Michael Minasyan v Ivan Kremenchutskyi | 3-6,6-2,11-9 |
| ITF M25 Risskov/Aarhus | 2023/06/11 08:00 | Gabriel Sardo v Ivan Kremenchutskyi | 2-6,3-6 |
| ITF M15 Nyiregyhaza | 2023/06/05 14:30 | Kristof Minarik v Ivan Kremenchutskyi | 6-3,7-6 |
| ITF M15 Nyiregyhaza | 2023/06/05 10:30 | Ivan Kremenchutskyi v Piotr Kusiewicz | 6-3,6-2 |
| ITF M15 Warmbad-Villach | 2023/05/21 10:00 | Kai Lemstra v Ivan Kremenchutskyi | 6-1,6-0 |
| UTR Pro Thessaloniki | 2023/04/27 06:30 | Ivan Kremenchutskyi v Andreas Loizas | 2-6,0-6 |
| UTR Pro Thessaloniki | 2023/04/26 09:43 | Ivan Kremenchutskyi v Christos Keisidis | 2-6,7-6,7-6 |
| UTR Pro Thessaloniki | 2023/04/25 08:05 | Ivan Kremenchutskyi v Samuel Kyjaci | 6-3,2-6,3-6 |
| ITF M25 Split | 2023/04/19 14:15 | Jan Kupcic v Matic Dimic | 0-6,4-6 |
| ITF M25 Split | 2023/04/18 09:45 | Jan Kupcic v Ivan Kremenchutskyi | 6-4,6-2 |
| ITF M25 Split | 2023/04/17 14:10 | Jan Kupcic v Gabriel Gomez | 6-0,6-2 |
| ITF M25 Split | 2023/04/17 07:00 | Jan Kupcic v Ognjen Pavlovic | 6-1,6-0 |
| ITF M25 Opatija | 2023/03/19 10:30 | Andrea Bolla v Jan Kupcic | 6-3,2-6,10-3 |
| ITF M15 Rovinj | 2023/03/14 11:20 | Pavel Nejedly v Jan Kupcic | 6-3,7-5 |
| ITF M15 Rovinj | 2023/03/13 09:00 | Jan Kupcic v Gabriel Matuszewski | 6-2,4-6,10-8 |
| ITF M15 Rovinj | 2023/03/12 12:00 | Hans Peter Kaufmann v Jan Kupcic | 1-6,6-7 |