Stadium: Court Central Round: 25 Ground: Hardcourt outdoor
| ITF M15 Warmbad-Villach | 2023/05/21 10:00 | Schnaitter, Jakob v Mark Wallner | 6-3,6-0 |
| ITF M25 Monastir | 2023/11/27 13:00 | Mark Wallner v Bove, Federico | 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 | 스트롬바치스, 로베르트 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 Schlossmann, Frederic | 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 Paris, Tom | 1-6,7-6,3-6 |
| ITF M25 Monastir | 2023/11/21 10:00 | Schnaitter, Jakob v 로콜리, 로렌트 | 6-4,4-6,5-7 |
| ITF M15 Monastir | 2023/11/16 08:30 | 피치온, 안드레아 v Schnaitter, Jakob | 3-6,6-1,6-4 |
| ITF M15 Monastir | 2023/11/14 08:30 | Schnaitter, Jakob v 돈스키, 알렉산더 | 7-6,6-1 |
| Challenger Ismaning | 2023/10/29 15:50 | 파울슨, 안드루 v Schnaitter, Jakob | 6-3,7-5 |
| ITF M25 Sarreguemines | 2023/10/24 07:50 | Schnaitter, Jakob v 술타노브, 쿠모윤 | 6-3,4-6,5-7 |
| Challenger Hamburg | 2023/10/16 14:15 | 라마신, 트리스탄 v Schnaitter, Jakob | 6-2,6-1 |
| Challenger Hamburg | 2023/10/15 14:10 | Schnaitter, Jakob v 바실라시빌리, 니콜로즈 | 6-3,6-4 |
| ITF M25 Rodez | 2023/10/11 08:30 | 부쿠이엘, 아서 v Schnaitter, Jakob | 4-6,6-2,6-3 |