Stadium: Court 6 Round: 25 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 Kalmar | 2023/05/20 09:00 | Lucas Catarina v Niels Visker | 6-1,6-4 |
| ITF M15 Kalmar | 2023/05/19 08:15 | Lewie Lane v Niels Visker | 6-7,2-6 |
| ITF M15 Kalmar | 2023/05/18 08:15 | Niels Visker v Leo Borg | 7-6,6-3 |
| ITF M15 Kalmar | 2023/05/17 10:35 | Markus Bolin v Niels Visker | 3-6,1-6 |
| ITF M15 Kalmar | 2023/05/16 12:35 | Niels Visker v Andreas Timini | 6-2,6-1 |
| ITF M15 Kalmar | 2023/05/15 14:45 | Niels Visker v William Alsterback | 6-0,6-0 |
| ITF M15 Kursumlijska Banja | 2023/05/02 09:40 | Sasa Markovic v Niels Visker | 7-6,0-6,10-7 |
| ITF M15 Kursumlijska Banja | 2023/05/01 08:00 | Danilo Raicevic v Niels Visker | 6-4,2-6,6-10 |