Ground: Hardcourt indoor
| ITF M15 Saarlouis | 2025/06/21 15:30 | Christian Sigsgaard v Axel Garcian | 4-6,6-6 |
| ITF M15 Saarlouis | 2025/06/20 14:00 | Christian Sigsgaard v Adrian Oetzbach | 6-3,6-0 |
| ITF M15 Saarlouis | 2025/06/19 16:00 | Christian Sigsgaard v Jeremy Schifris | 7-5,6-5 |
| ITF M15 Saarlouis | 2025/06/18 13:55 | Christian Sigsgaard v Sydney Zick | 3-6,7-6,6-1 |
| Challenger Savannah | 2025/04/21 14:00 | Christian Sigsgaard v Stefan Kozlov | 4-6,4-6 |
| Challenger Savannah | 2025/04/20 15:30 | Tyler Zink v Christian Sigsgaard | 3-6,5-7 |
| Challenger Tallahassee | 2025/04/15 20:55 | Christian Sigsgaard v Emilio Nava | 4-6,4-6 |
| Challenger Tallahassee | 2025/04/14 16:10 | Christian Sigsgaard v Alex Rybakov | 3-6,7-6,6-3 |
| ITF M15 Duffel | 2025/06/17 10:51 | Nikola Slavic v Kylian Collignon | 3-6,6-7 |
| ITF M15 Vaasa | 2025/06/12 11:43 | Aleksi Lofman v Nikola Slavic | 6-4,5-7,6-4 |
| ITF M15 Vaasa | 2025/06/11 13:55 | Nikola Slavic v Michael Zhu | 6-4,6-4 |
| ITF M25 Pensacola | 2025/05/15 16:30 | Nikola Slavic v Sebastian Gima | 2-6,2-5 |
| ITF M25 Pensacola | 2025/05/14 15:00 | Nikola Slavic v Lazar Markovic | 6-1,5-0 |
| ITF M15 Kursumlijska Banja | 2025/04/29 07:15 | Semen Pankin v Nikola Slavic | 7-6,5-3 |
| ITF M15 Kursumlijska Banja | 2025/04/22 08:30 | Nikola Slavic v Marco Furlanetto | 6-1,4-6,0-1 |
| ITF M15 Monastir | 2025/03/26 08:00 | Lukas Pokorny v Nikola Slavic | 6-4,6-4 |