Stadium: Court 1 Round: 29 Ground: Clay
| ITF M15 Krsko | 2023/05/21 09:00 | Lucas Gerch v Mirza Basic | 6-4,6-1 |
| ITF M15 Krsko | 2023/05/20 09:50 | Lucas Gerch v Lukas Pokorny | 7-6,5-7,7-5 |
| ITF M15 Krsko | 2023/05/19 11:30 | Lucas Gerch v Oliver Ojakaar | 1-6,6-3,6-4 |
| ITF M15 Krsko | 2023/05/19 08:00 | Lucas Gerch v Gabriele Maria Noce | 6-2,6-3 |
| ITF M15 Krsko | 2023/05/18 08:00 | Lucas Gerch v Alvaro Guillen Meza | 6-3,7-6 |
| Challenger Mauthausen | 2023/05/09 08:00 | Lucas Gerch v Hamad Medjedovic | 1-6,3-6 |
| Challenger Mauthausen | 2023/05/07 08:00 | Tristan-Samuel Weissborn v Lucas Gerch | 6-7,2-6 |
| ITF M15 Meerbusch | 2023/04/25 11:00 | Philip Florig v Lucas Gerch | 7-6,6-4 |
| ITF M15 Warmbad-Villach | 2023/05/22 08:00 | Jakob Schnaitter v Jimmy Yang | 6-1,6-7,10-7 |
| ITF M15 Warmbad-Villach | 2023/05/21 10:00 | Jakob Schnaitter v Mark Wallner | 6-3,6-0 |
| ITF M25 Prague | 2023/05/18 09:00 | Jakob Schnaitter v Lukas Neumayer | 6-7,3-6 |
| ITF M25 Prague | 2023/05/17 08:00 | Jakob Schnaitter v Max Hans Rehberg | 2-6,6-3,6-2 |
| ITF M25 Prague | 2023/05/15 10:45 | Jakob Schnaitter v Lukas Rohseano | 6-3,6-4 |
| ITF M25 Prague | 2023/05/14 08:30 | Jakob Schnaitter v Roman Postolka | 6-2,6-2 |
| ITF M15 Monastir | 2023/05/03 10:10 | Skander Mansouri v Jakob Schnaitter | 6-4,6-3 |
| ITF M15 Monastir | 2023/04/26 08:30 | Jakob Schnaitter v Maxence Rivet | 3-6,5-7 |