Ground: Clay
| ITF M25 Mataro | 2025/05/20 10:32 | Sebastian Fanselow v Oleksii Krutykh | 3-6,2-6 |
| Challenger Oeiras | 2025/05/11 10:00 | Sebastian Fanselow v Joao Domingues | 4-6,0-6 |
| ITF M15 Sanxenxo | 2025/04/23 09:00 | Sebastian Fanselow v Antoine Berger | 2-6,3-6 |
| ITF M25 Quinta Do Lago | 2025/03/05 10:00 | Sebastian Fanselow v Mario G Fernandez | 6-2,4-6,0-2 |
| ITF M25 Vila Real de Santo Antonio | 2025/02/12 14:20 | Cezar Cretu v Sebastian Fanselow | 6-4,4-6,6-3 |
| ITF M15 Cadolzburg | 2025/01/16 11:30 | Sebastian Fanselow v Christian Djonov | 6-7,3-6 |
| ITF M15 Cadolzburg | 2025/01/15 11:30 | Sebastian Fanselow v Maik Steiner | 7-5,7-6 |
| Challenger Oeiras | 2025/01/07 10:00 | Sebastian Fanselow v Alexander Ritschard | 4-6,4-6 |
| ITF M15 Saarlouis | 2025/06/18 11:30 | Jonas P Hartenstein v Nikolai Barsukov | 6-3,6-3 |
| ITF M15 Monastir | 2025/03/27 10:00 | Vito Tonejc v Nikolai Barsukov | 6-2,6-4 |
| ITF M15 Monastir | 2025/03/26 08:00 | Nikolai Barsukov v Constantin Bittoun Kouzmine | 5-7,7-6,7-5 |
| ITF M15 Monastir | 2025/02/11 13:51 | Jack Loge v Nikolai Barsukov | 6-3,4-1 |
| ITF M15 Monastir | 2025/02/05 19:33 | Manas Manoj Dhamne v Nikolai Barsukov | 6-1,4-6,6-1 |
| ITF M15 Uslar | 2024/07/16 15:40 | Lorenzo Joaquin Rodriguez v Nikolai Barsukov | 6-4,7-5 |