Ground: Hardcourt outdoor
| ITF M15 Kotka | 2025/05/23 12:00 | Adrian Oetzbach v Eric Vanshelboim | 5-7,2-6 |
| ITF M15 Kotka | 2025/05/22 11:00 | Adrian Oetzbach v Lewie Lane | 3-6,6-3,7-5 |
| ITF M15 Kotka | 2025/05/21 14:01 | Adrian Oetzbach v Daniil Sarksian | 6-3,6-7,6-2 |
| ITF M15 Bastad | 2025/05/16 08:15 | Tom Gentzsch v Adrian Oetzbach | 6-3,6-3 |
| ITF M15 Bastad | 2025/05/15 07:45 | Brian Bozemoj v Adrian Oetzbach | 4-6,1-6 |
| ITF M15 Bastad | 2025/05/14 07:45 | Saba George Nanobashvili v Adrian Oetzbach | 3-6,4-5 |
| ITF M15 Shymkent | 2025/05/04 06:00 | Adrian Oetzbach v Denis Klok | 1-6,4-6 |
| ITF M15 Shymkent | 2025/05/03 06:00 | Sergey Fomin v Adrian Oetzbach | 6-2,3-6,0-6 |
| ITF M15 Doboj | 2025/05/29 07:56 | John Hallquist Lithen v Emilien Demanet | 3-6,0-6 |
| ITF M15 Doboj | 2025/05/28 09:30 | John Hallquist Lithen v Gabriele Maria Noce | 6-3,6-2 |
| ITF M15 Brcko | 2025/05/21 13:30 | John Hallquist Lithen v Dusan Obradovic | 4-6,2-5 |
| ITF M15 Bastad | 2025/05/14 13:11 | John Hallquist Lithen v Yannik Kelm | 3-6,6-7 |
| UTR Pro Gyor | 2025/04/20 08:15 | John Hallquist Lithen v Gergely Madarasz | 1-6,4-6 |
| UTR Pro Gyor | 2025/04/19 10:35 | Mate Valkusz v John Hallquist Lithen | 2-6,3-6 |
| UTR Pro Gyor | 2025/04/18 10:00 | John Hallquist Lithen v Adam Jilly | 2-6,7-5,6-4 |
| UTR Pro Gyor | 2025/04/17 07:00 | John Hallquist Lithen v Matyas Fuele | 3-6,6-4,6-1 |