Stadium: Court 5 Round: 54 Ground: Hardcourt indoor
| ITF M15 Allershausen | 2023/09/01 15:25 | Kai Lemstra v Daniel De Jonge | 7-5,6-1 |
| ITF M15 Allershausen | 2023/08/31 10:00 | Mark Wallner v Daniel De Jonge | 5-7,2-6 |
| ITF M15 Allershausen | 2023/08/30 10:00 | Daniel De Jonge v Dominik Boehler | 6-4,7-6 |
| ITF M15 Huy | 2023/08/24 09:00 | Buvaysar Gadamauri v Daniel De Jonge | 6-4,6-3 |
| ITF M15 Huy | 2023/08/23 09:00 | Daniel De Jonge v Noah Merre | 1-6,6-2,6-0 |
| ITF M15 Huy | 2023/08/21 15:20 | Daniel De Jonge v Ruben Hartig | 6-3,5-7,5-10 |
| ITF M25 Koksijde | 2023/08/13 12:15 | Daniel De Jonge v Mats Bredschneijder | 4-6,6-1,5-10 |
| ITF M15 Eindhoven | 2023/08/01 11:35 | Daniel De Jonge v Maxime Mora | 6-1,5-7,1-6 |
| ITF M25 Sion | 2023/08/28 14:25 | Gian Luca Tanner v Thomas George Brun | 6-0,6-0 |
| ITF M25 Sion | 2023/08/27 08:00 | Arthur Laborde v Thomas George Brun | 6-3,4-6,5-10 |
| ITF M15 Caslano | 2023/08/20 09:25 | Andrea Militi Ribaldi v Thomas George Brun | 6-0,7-6 |
| ITF M25 Muttenz | 2023/08/14 08:00 | Thomas George Brun v Maurus Malgiaritta | 0-6,1-6 |
| ITF M25 Esch/Alzette Qual | 2023/07/16 12:00 | Rik Muller v Thomas George Brun | 6-2,6-3 |
| ITF M25 Esch/Alzette | 2023/07/10 09:35 | Alexander Stater v Thomas George Brun | 6-2,6-0 |
| ITF M25 Esch/Alzette | 2023/07/09 10:00 | Finn Pauly v Thomas George Brun | 2-6,0-6 |
| ITF M25 Klosters | 2023/07/02 13:45 | Manfredi Graziani v Thomas George Brun | 6-2,6-2 |