stadio: Court Central Round: 25 Ground: Hardcourt outdoor
| ITF M15 Warmbad-Villach | 2023/05/21 10:00 | Jakob Schnaitter v Mark Wallner | 6-3,6-0 |
| ITF M25 Monastir | 2023/11/27 13:00 | Mark Wallner v Federico Bove | 6-2,7-5 |
| ITF M25 Monastir | 2023/11/27 10:00 | Mark Wallner v Yanick Schneider | 6-0,6-1 |
| ITF M25 Monastir | 2023/11/22 13:55 | Robert Strombachs v Mark Wallner | 7-6,6-2 |
| ITF M25 Monastir | 2023/11/20 13:30 | Mark Wallner v Mae Malige | 6-4,4-6,11-9 |
| ITF M25 Monastir | 2023/11/20 08:00 | Mark Wallner v Frederic Schlossmann | 6-4,5-7,10-8 |
| ITF M25 Austin | 2023/11/07 15:50 | Mark Wallner v Lorenzo Esquici | 6-3,2-6,7-10 |
| ITF M25 Austin | 2023/11/06 16:00 | Mark Wallner v Phil Exner | 6-2,6-4 |
| ITF M25 Sarreguemines | 2023/10/24 12:25 | Mark Wallner v Tom Paris | 1-6,7-6,3-6 |
| ITF M25 Monastir | 2023/11/21 10:00 | Jakob Schnaitter v Laurent Lokoli | 6-4,4-6,5-7 |
| ITF M15 Monastir | 2023/11/16 08:30 | Andrea Picchione v Jakob Schnaitter | 3-6,6-1,6-4 |
| ITF M15 Monastir | 2023/11/14 08:30 | Jakob Schnaitter v Alexander Donski | 7-6,6-1 |
| Challenger Ismaning | 2023/10/29 15:50 | Andrew Paulson v Jakob Schnaitter | 6-3,7-5 |
| ITF M25 Sarreguemines | 2023/10/24 07:50 | Jakob Schnaitter v Khumoyun Sultanov | 6-3,4-6,5-7 |
| Challenger Amburgo | 2023/10/16 14:15 | Tristan Lamasine v Jakob Schnaitter | 6-2,6-1 |
| Challenger Amburgo | 2023/10/15 14:10 | Jakob Schnaitter v Nikoloz Basilashvili | 6-3,6-4 |
| ITF M25 Rodez | 2023/10/11 08:30 | Arthur Bouquier v Jakob Schnaitter | 4-6,6-2,6-3 |