Estadio: Court 2 Round: 27 Ground: Clay
| ITF M15 Eupen | 2023/08/10 09:00 | Luca Wiedenmann v Maik Steiner | 3-6,6-3,6-1 |
| ITF M15 Eupen | 2023/08/09 10:00 | Luca Wiedenmann v Pietro Marino | 6-2,7-5 |
| ITF M25 Wetzlar | 2023/08/04 08:00 | Luca Wiedenmann v Nicola Kuhn | 4-6,4-6 |
| ITF M25 Wetzlar | 2023/08/03 09:15 | Luca Wiedenmann v Max Schoenhaus | 7-5,6-1 |
| ITF M25 Uriage | 2023/07/14 09:20 | Marvin Moeller v Luca Wiedenmann | 7-6,7-6 |
| ITF M25 Uriage | 2023/07/13 11:15 | Luca Wiedenmann v Valerio Aboian | 7-5,6-1 |
| ITF M25 Uriage | 2023/07/11 08:00 | Leo Raquillet v Luca Wiedenmann | 1-6,6-7 |
| ITF M15 Store | 2023/06/23 07:00 | Luca Wiedenmann v Dominik Kellovsky | 6-3,5-7,5-7 |
| ITF M15 Eupen | 2023/08/10 17:00 | Pierre Yves Bailly v Marc Majdandzic | 6-3,4-6,1-6 |
| ITF M15 Eupen | 2023/08/09 12:20 | Marc Majdandzic v José Pereira | 4-6,6-1,7-6 |
| Challenger de Braunschweig | 2023/07/09 14:15 | Marc Majdandzic v Denis Yevseyev | 3-6,4-6 |
| ITF M15 Kamen | 2023/06/29 08:50 | Tom Gentzsch v Marc Majdandzic | 6-3,4-6,7-6 |
| ITF M15 Kamen | 2023/06/27 09:00 | Marc Majdandzic v Kody Pearson | 6-4,6-3 |