Stadium: Court 3 Round: 54 Ground: Clay
| ITF M15 Vaasa | 2023/06/06 07:00 | Siim Troost v Oskari Eerola | 6-4,3-6,10-7 |
| ITF M15 Kursumlijska Banja | 2023/05/29 08:35 | Alexander Zgirovsky v Oskari Eerola | 7-5,6-0 |
| ITF M15 Kursumlijska Banja | 2023/05/28 07:00 | Oskari Eerola v Aleksa Smiljanic | 6-0,6-0 |
| ITF M15 Kursumlijska Banja | 2023/05/22 08:40 | Petr Bar Biryukov v Oskari Eerola | 6-3,7-5 |
| ITF M15 Kursumlijska Banja | 2023/05/21 11:00 | Shendrit Deari v Oskari Eerola | 6-4,2-6,5-10 |
| ITF M15 Monastir | 2023/04/30 11:30 | Oskari Eerola v Jan Kobierski | 1-6,3-6 |
| ITF M15 Monastir | 2023/04/23 08:30 | Oskari Eerola v Valentin Lapalu | 4-6,3-6 |
| ITF M25 Monastir | 2023/02/12 10:30 | Oskari Eerola v Luca Castagnola | 2-6,0-6 |
| ITF M15 Uslar | 2023/07/19 11:35 | Filip Apltauer v Jakub Nicod | 2-6,6-4,3-6 |
| ITF M15 Uslar | 2023/07/17 14:30 | Filip Apltauer v Mariano Dedura-Palomero | 6-3,6-4 |
| ITF M25 Kassel | 2023/07/11 11:10 | Martin Benes v Filip Apltauer | 5-7,6-2,10-7 |
| ITF M25 Kassel | 2023/07/10 14:15 | Richard Antoni v Filip Apltauer | 1-6,1-6 |
| ITF M15 Alkmaar | 2023/06/26 08:00 | Filip Apltauer v Stijn Pel | 3-6,6-2,1-10 |
| ITF M25 Poprad | 2023/06/20 08:00 | Matthew Romios v Filip Apltauer | 7-6,6-2 |
| ITF M25 Poprad | 2023/06/19 08:00 | Filip Apltauer v Jiri Cizek | 6-3,5-7,10-8 |
| ITF M25 Poprad | 2023/06/18 11:00 | Filip Apltauer v Samuel Stolarik | 6-3,6-1 |