Stadium: Court 2 Round: 25 Ground: Clay
| Challenger Rome | 2023/04/23 08:00 | Sebastian Fanselow v Denis Istomin | 4-6,6-4,3-6 |
| Challenger Oeiras | 2023/04/16 10:10 | Jaime Faria v Sebastian Fanselow | 6-4,7-5 |
| Challenger St Brieuc | 2023/03/23 19:45 | Evan Furness v Sebastian Fanselow | 2-6,6-1,6-4 |
| Challenger St Brieuc | 2023/03/21 19:00 | Sebastian Fanselow v Antoine Hoang | 6-4,6-3 |
| ITF M25 Portimao | 2023/03/16 16:00 | Georgii Kravchenko v Sebastian Fanselow | 6-3,4-6,6-4 |
| ITF M25 Portimao | 2023/03/14 12:25 | Tiago Pereira v Sebastian Fanselow | 6-2,3-6,1-6 |
| Challenger Waco | 2023/02/26 16:00 | Sebastian Fanselow v Henri Squire | 2-6,2-6 |
| Challenger Rome GA | 2023/02/21 19:45 | Sebastian Fanselow v Sho Shimabukuro | 6-2,3-6,3-6 |
| ITF M25 Santa Margherita | 2023/04/24 10:40 | Kai Wehnelt v Andrey Chepelev | 3-6,4-6 |
| ITF M25 Santa Margherita | 2023/04/20 07:55 | Kai Wehnelt v Alexander Weis | 4-6,6-1,6-7 |
| ITF M25 Santa Margherita | 2023/04/19 11:55 | Federico Iannaccone v Kai Wehnelt | 6-7,4-6 |
| ITF M25 Santa Margherita | 2023/04/18 08:00 | Kai Wehnelt v Mateo Nicolas Martinez | 6-3,6-3 |
| ITF M25 Palmanova | 2023/03/22 10:30 | Diego A B Sanchez v Kai Wehnelt | 7-5,6-3 |
| ITF M25 Palmanova | 2023/03/15 13:00 | Alejandro Manzanera Pertusa v Kai Wehnelt | 6-3,6-3 |
| ITF M25 Palmanova | 2023/03/14 08:00 | Kai Wehnelt v Alvaro Peiro Serrano | 6-1,6-2 |
| ITF M25 Palmanova | 2023/03/13 11:00 | Kai Wehnelt v Axel Herberg Amoros | 6-3,6-3 |