Stadium: Varela CenterCourt Round: 25 Ground: Clay
| ITF M15 Haren | 2023/09/08 11:00 | Brian Bozemoj v Niels Visker | 6-3,6-7,7-5 |
| ITF M15 Haren | 2023/09/07 12:20 | Niels Visker v Andrea Bolla | 4-6,6-3,6-4 |
| ITF M15 Haren | 2023/09/06 17:30 | Niels Visker v Jarno Jans | 6-1,6-3 |
| ITF M15 Frankfurt Am Main | 2023/08/09 10:15 | Lucas Gerch v Niels Visker | 6-0,6-1 |
| ITF M15 Eindhoven | 2023/08/02 11:15 | Niels Visker v Jurriaan Bol | 3-6,2-6 |
| ITF M15 Eindhoven | 2023/08/01 11:30 | Marlon Vankan v Niels Visker | 6-7,3-6 |
| ITF M15 Vejle | 2023/07/27 12:00 | Niels Visker v Lewie Lane | 4-6,2-6 |
| ITF M15 Vejle | 2023/07/25 09:00 | Jonathan Mridha v Niels Visker | 7-5,5-7,5-7 |
| ITF M15 Haren | 2023/09/07 10:50 | David Fix v Sander Jong | 4-6,1-6 |
| ITF M15 Haren | 2023/09/05 11:00 | David Fix v Andrea Gola | 6-3,6-4 |
| ITF M15 Allershausen | 2023/08/30 10:00 | Tom Gentzsch v David Fix | 6-2,6-4 |
| Challenger Augsburg | 2023/08/20 11:25 | Tristan Lamasine v David Fix | 7-6,6-4 |
| ITF M15 Uberlingen | 2023/08/19 12:00 | Max Hans Rehberg v David Fix | 6-2,6-3 |
| ITF M15 Uberlingen | 2023/08/18 15:30 | David Fix v Fnu Nidunjianzan | 4-6,6-4,6-3 |
| ITF M15 Uberlingen | 2023/08/17 07:55 | Hazem Naw v David Fix | 6-7,4-6 |
| ITF M15 Uberlingen | 2023/08/15 15:25 | David Fix v Justin Schlageter | 7-5,6-3 |