Stadium: Varela CenterCourt Round: 25 Ground: Clay
| ITF M15 Allershausen | 2023/08/31 13:10 | Yannik Kelm v Christoph Negritu | 2-6,4-6 |
| ITF M15 Allershausen | 2023/08/30 12:20 | Jakob Schnaitter v Yannik Kelm | 6-4,6-7,2-6 |
| ITF M15 Huy | 2023/08/23 14:30 | Yannik Kelm v Jurriaan Bol | 6-7,1-6 |
| ITF M15 Kottingbrunn | 2023/08/17 09:35 | Neil Oberleitner v Yannik Kelm | 6-4,7-6 |
| ITF M15 Kottingbrunn | 2023/08/16 10:00 | Dominik Kellovsky v Yannik Kelm | 6-7,3-6 |
| ITF M15 Frankfurt Am Main | 2023/08/10 15:00 | Yannik Kelm v Florian Broska | 4-6,6-4,2-6 |
| ITF M15 Frankfurt Am Main | 2023/08/09 12:00 | Taym Alazmeh v Yannik Kelm | 6-7,6-3,1-6 |
| ITF M15 Metzingen | 2023/07/27 11:00 | Stefan Popovic v Yannik Kelm | 6-4,4-6,6-2 |
| Challenger Tulln | 2023/09/03 09:25 | Benjamin Hassan v Matthias Ujvary | 6-4,6-4 |
| ITF M15 Vienna | 2023/08/29 13:05 | Lukas Palovic v Matthias Ujvary | 6-2,6-1 |
| ITF M25 Osijek | 2023/08/10 12:35 | Matthias Ujvary v Valerio Aboian | 1-6,4-6 |
| ITF M25 Osijek | 2023/08/08 13:10 | Matthias Ujvary v Michal Novansky | 2-6,7-6,6-2 |
| ITF M25 Kramsach | 2023/07/27 11:30 | Matthias Ujvary v Mathys Erhard | 3-6,2-6 |
| ITF M25 Kramsach | 2023/07/25 13:30 | Matthias Ujvary v Michael Gloeckler | 3-6,6-4,6-3 |
| ITF M25 Telfs | 2023/07/19 11:55 | Matthias Ujvary v Ondrej Horak | 2-6,4-6 |
| Challenger Salzburg | 2023/07/09 10:50 | Matthias Ujvary v Alex Barrena | 2-6,3-6 |