Stadium: Court 1 Round: 25 Ground: Clay
| 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 M25 Klosters | 2023/07/03 12:10 | Niklas Waldner v Laurin Aerne | 2-6,7-5,10-5 |
| ITF M15 Celje | 2023/06/26 10:55 | Maurus Malgiaritta v Niklas Waldner | 6-4,6-4 |
| ITF M15 Warmbad-Villach | 2023/05/21 10:00 | Aljaz Jeran v Niklas Waldner | 6-2,6-3 |
| ITF M15 Kursumlijska Banja | 2023/05/02 09:00 | Viktor Jovic v Niklas Waldner | 6-1,6-3 |
| ITF M25 Telfs | 2023/07/23 10:00 | Sandro Kopp v Buvaysar Gadamauri | 6-2,6-1 |
| ITF M25 Telfs | 2023/07/22 08:00 | Peter Heller v Buvaysar Gadamauri | 6-2,1-6,4-6 |
| ITF M25 Telfs | 2023/07/20 08:00 | Buvaysar Gadamauri v Maxime Chazal | 6-4,6-1 |
| ITF M25 Telfs | 2023/07/18 10:05 | Buvaysar Gadamauri v Manuel Lazic | 6-2,6-0 |
| ITF M25 Kassel | 2023/07/15 13:35 | Buvaysar Gadamauri v Andrew Paulson | 1-6,4-6 |
| ITF M25 Kassel | 2023/07/14 12:25 | Buvaysar Gadamauri v Aldin Setkic | 6-4,6-1 |
| ITF M25 Kassel | 2023/07/13 11:35 | Buvaysar Gadamauri v Michael Agwi | 7-6,7-6 |
| ITF M25 Kassel | 2023/07/12 15:50 | Louis Wessels v Buvaysar Gadamauri | 6-7,6-2,3-6 |