Stadium: Court 7 Round: 62 Ground: Clay
| ITF M25 Telfs | 2023/07/16 09:00 | Stepan Mruzek v Kaj Quirijns | 6-1,6-3 |
| ITF M15 Celje | 2023/06/26 13:05 | Kaj Quirijns v Radovan Michalik | 1-6,1-6 |
| ITF M15 Litija | 2023/06/12 07:00 | Kaj Quirijns v Tim Heger | 3-6,4-6 |
| ITF M15 Heraklion | 2022/10/30 10:00 | Kaj Quirijns v Thibault Verdier | 1-6,5-7 |
| ITF M25 Trimbach | 2022/03/14 13:25 | Kaj Quirijns v Gabriele Moghini | 4-6,3-6 |
| ITF M25 Canberra | 2022/02/13 03:00 | Zac Osborne v Kaj Quirijns | 6-3,6-1 |
| ITF M15 Ithaca | 2021/10/06 18:10 | Jakob Schnaitter v Kaj Quirijns | 7-5,6-3 |
| ITF M15 Ithaca | 2021/10/05 13:00 | Chanchai Sookton-Eng v Kaj Quirijns | 2-6,6-3,8-10 |
| ITF M25 Telfs | 2023/07/16 07:00 | Igor Dudun v Ivan Kremenchutskyi | 6-4,6-2 |
| ITF M15 Store | 2023/06/20 10:30 | Dominik Kellovsky v Ivan Kremenchutskyi | 6-4,4-6,11-9 |
| ITF M15 Store | 2023/06/19 07:55 | Ivan Kremenchutskyi v Jan Kupcic | 6-4,6-3 |
| 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 |