Stadium: Court 1 Round: 26 Ground: Clay
| ITF M25 Wetzlar | 2023/08/03 11:30 | Matteo Martineau v Maik Steiner | 3-6,6-3,1-6 |
| ITF M15 Uslar | 2023/07/18 10:00 | Maik Steiner v Olle Wallin | 6-7,4-6 |
| ITF M15 Rabat | 2023/06/14 12:40 | Maik Steiner v Matias Zukas | 4-6,3-6 |
| ITF M15 Tanger | 2023/06/07 14:00 | Maik Steiner v Kai Lemstra | 1-6,5-7 |
| ITF M15 Tanger | 2023/06/06 09:00 | Maik Steiner v Lorenzo Vatteroni | 6-3,6-1 |
| ITF M15 Krško | 2023/05/19 09:50 | Maik Steiner v Mirza Basic | 3-6,3-6 |
| ITF M15 Krško | 2023/05/18 08:00 | Maik Steiner v Tomas Lanik | 6-2,7-5 |
| ITF M15 Antalya | 2023/05/04 07:20 | Maik Steiner v Peter Benjamin Privara | 6-4,4-6,4-6 |
| ITF M25 Wetzlar | 2023/08/03 07:50 | Stepan Mruzek v Vincent Marysko | 3-6,6-7 |
| ITF M25 Wetzlar | 2023/08/01 09:30 | Daniel Salazar v Vincent Marysko | 3-6,6-3,10-5 |
| ITF M25 Wetzlar | 2023/07/31 08:00 | Vojtech Mares v Vincent Marysko | 3-6,2-6 |
| ITF M25 Kassel | 2023/07/11 10:55 | Adrian Oetzbach v Vincent Marysko | 6-4,6-4 |
| ITF M25 Kassel | 2023/07/10 08:00 | Vincent Marysko v Oskar Jansson | 4-6,6-4,10-8 |
| ITF M25 Marburg | 2023/07/06 08:55 | Vincent Marysko v Dominik Recek | 2-6,3-6 |