Stadium: Court 7 Round: 62 Ground: Clay
| ITF M15 Trier | 2023/08/21 13:00 | Stepan Baum v Tristan Reiff | 6-2,6-2 |
| ITF M15 Frankfurt Am Main | 2023/08/07 10:00 | Mariano Dedura-Palomero v Tristan Reiff | 6-1,6-0 |
| ITF M25 Wetzlar | 2023/07/31 12:00 | Tristan Reiff v Enzo Lima | 1-6,6-3,8-10 |
| ITF M25 Esch/Alzette | 2023/07/17 16:55 | Tristan Reiff v Arthur Nagel | 3-6,2-6 |
| ITF M25 Esch/Alzette | 2023/07/17 11:40 | Victor Bini v Tristan Reiff | 4-6,1-6 |
| ITF M25 Esch/Alzette - selejtezők | 2023/07/16 13:35 | Tristan Reiff v Markus Bolin | 6-3,6-7,10-6 |
| ITF M25 Marburg | 2023/07/03 08:00 | Tristan Reiff v Noel Larwig | 4-6,6-7 |
| ITF M25 Arlon | 2023/06/26 11:00 | Tom Pisane v Tristan Reiff | 6-3,6-3 |
| ITF M15 Haren | 2023/09/03 08:00 | Jim Hendrikx v Rik Muller | 6-3,6-1 |
| ITF M15 Eupen | 2023/08/07 10:00 | Rik Muller v Noah Merre | 3-6,2-6 |
| ITF M15 Eindhoven | 2023/07/31 08:00 | Stijn Paardekooper v Rik Muller | 6-2,6-2 |
| ITF M15 Eindhoven | 2023/07/30 10:30 | Rik Muller v Cesar Bouchelaghem | 6-3,7-5 |
| ITF M15 Metzingen | 2023/07/23 07:30 | Alen Mujakic v Rik Muller | 6-4,6-0 |
| ITF M25 Esch/Alzette | 2023/07/17 10:20 | Joel Angel Lucero v Rik Muller | 6-2,6-3 |
| ITF M25 Esch/Alzette - selejtezők | 2023/07/16 12:00 | Rik Muller v Thomas George Brun | 6-2,6-3 |
| ITF M25 Hága | 2023/07/02 10:30 | Felix Corwin v Rik Muller | 6-2,6-3 |