Ground: Clay
| Challenger Bunschoten | 2025/07/14 10:40 | Niels Visker v Marvin Moeller | 6-7,3-6 |
| Challenger Bunschoten | 2025/07/13 12:50 | Svyatoslav Gulin v Niels Visker | 7-6,6-7,3-6 |
| ITF M25 The Hague | 2025/07/11 12:09 | Niels Visker v Jay Friend | 1-6,4-6 |
| ITF M25 The Hague | 2025/07/10 10:00 | Javier Barranco Cosano v Niels Visker | 2-6,6-3,3-6 |
| ITF M25 The Hague | 2025/07/09 10:00 | Manvydas Balciunas v Niels Visker | 6-1,4-6,3-6 |
| Challenger Troyes | 2025/07/01 09:50 | Niels Visker v Norbert Gombos | 1-6,3-6 |
| Challenger Troyes | 2025/06/30 10:25 | Arthur Nagel v Niels Visker | 4-6,6-7 |
| Challenger Troyes | 2025/06/29 13:40 | Niels Visker v Nikolay Vylegzhanin | 6-4,6-4 |
| ITF M15 Uslar | 2025/07/17 08:00 | Nikolai Barsukov v Maximilian Homberg | 5-7,6-3,7-6 |
| ITF M15 Telfs | 2025/07/10 08:00 | Stefano D'Agostino v Maximilian Homberg | 6-1,6-3 |
| ITF M15 Telfs | 2025/07/09 13:03 | Maximilian Homberg v Nico Hipfl | 6-4,6-2 |
| ITF M15 Kursumlijska Banja | 2025/07/01 09:50 | Maximilian Homberg v Sasa Markovic | 6-4,4-6,6-3 |
| ITF M15 Kursumlijska Banja | 2025/06/27 11:36 | Simeon Stankovic v Maximilian Homberg | 7-6,6-2 |
| ITF M15 Kursumlijska Banja | 2025/06/26 07:00 | Filip Gustafsson v Maximilian Homberg | 6-4,1-6,4-6 |
| ITF M15 Kursumlijska Banja | 2025/06/25 07:00 | Benjamin Torrealba v Maximilian Homberg | 4-6,0-0 |
| ITF M15 Kursumlijska Banja | 2025/06/11 07:00 | Maximilian Homberg v Francisco Rocha | 2-6,3-6 |