Stadium: Court 3 Round: 54 Ground: Clay
| ITF M15 Kottingbrunn | 2023/08/13 08:00 | Niklas Waldner v Marcell Bartakovics | 1-6,2-6 |
| ITF M25 Bolzano | 2023/07/31 08:50 | Niklas Waldner v Noah Perfetti | 0-6,6-3,2-10 |
| ITF M25 Bolzano | 2023/07/30 12:30 | Niklas Waldner v Serafin Zund | 6-2,2-6,10-4 |
| ITF M25 Kramsach | 2023/07/26 12:20 | Niklas Waldner v Buvaysar Gadamauri | 2-6,7-6,4-6 |
| ITF M25 Telfs | 2023/07/19 09:55 | Alex Barrena v Niklas Waldner | 6-4,6-4 |
| Challenger Salzburg | 2023/07/09 08:30 | Niklas Waldner v Mohamed Safwat | 3-6,5-7 |
| ITF M25 Klosters | 2023/07/06 08:40 | Niklas Waldner v Damien Wenger | 1-6,2-6 |
| ITF M25 Klosters | 2023/07/05 11:00 | Niklas Waldner v Jonas Trinker | 7-6,6-3 |
| ITF M15 Caslano | 2023/08/20 08:50 | Ezequiel Fagotti v Elia Joel Affolter | 6-3,5-7,10-4 |
| ITF M25 Telfs | 2023/07/16 07:00 | Elia Joel Affolter v Sami Ben Abdennibi | 2-6,1-6 |
| ITF M25 Sierre | 2022/08/29 11:00 | Elia Joel Affolter v Daniel Valent | 0-6,1-6 |