Stadium: Centre Court Round: 44 Ground: Clay
| ITF M15 Trier | 2023/08/21 09:30 | Karlo Cubelic v Tim Pauly | 6-1,6-1 |
| ITF M25 Esch/Alzette Qual | 2023/07/16 08:00 | Jim Hendrikx v Tim Pauly | 6-4,6-0 |
| ITF M25 Esch/Alzette | 2023/07/09 08:00 | Tim Pauly v Thorben Sannen | 0-6,4-6 |
| ITF M15 Buschhausen | 2023/09/10 08:00 | Tristan Reiff v Rik Muller | 4-6,4-6 |
| 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 Qual | 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 |