Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 - Huy | 2023/08/21 15:20 | Daniel De Jonge v Ruben Hartig | 6-3,5-7,5-10 |
| ITF M15 - Huy | 2023/08/21 10:15 | Jamie Krattiger v Ruben Hartig | 3-6,0-6 |
| ITF M15 - Eupen | 2023/08/08 08:00 | Ruben Hartig v Felix Mischker | 6-4,6-7,7-10 |
| ITF M15 - Eupen | 2023/08/07 07:00 | Ruben Hartig v Eliott Costa | 6-0,7-6 |
| ITF M15 - Eindhoven | 2023/07/30 10:30 | Ruben Hartig v Christian Lerby | 6-4,1-6,11-13 |
| ITF M25 - Telfs | 2023/07/16 10:30 | Ruben Hartig v Serafin Zund | 4-6,6-3,7-10 |
| ITF M25 - Esch/Alzette | 2023/07/10 14:00 | Stijn Slump v Ruben Hartig | 6-2,6-4 |
| ITF M25 - Esch/Alzette | 2023/07/10 08:45 | Ruben Hartig v Victor Bini | 3-6,6-2,10-8 |
| ITF M25 - Koksijde | 2023/08/15 10:40 | Simon Beaupain v Alessio Basile | 6-2,4-6,3-6 |
| ITF M15 - Eupen | 2023/08/12 15:00 | Simon Beaupain v Marlon Vankan | 6-7,1-6 |
| ITF M15 - Eupen | 2023/08/11 11:00 | Alessio Basile v Simon Beaupain | 4-6,1-6 |
| ITF M15 - Eupen | 2023/08/10 11:00 | Jack Loge v Simon Beaupain | 3-6,4-6 |
| ITF M15 - Eupen | 2023/08/09 10:30 | Mariano Kestelboim v Simon Beaupain | 6-7,5-7 |
| Challenger Amersfoort | 2023/07/17 10:15 | Michael Vrbensky v Simon Beaupain | 6-4,2-6,7-6 |
| Challenger Amersfoort | 2023/07/16 13:10 | Fons Van Sambeek v Simon Beaupain | 4-6,2-6 |
| ITF M25 - Esch/Alzette | 2023/07/11 10:20 | Simon Beaupain v Alexander Blockx | 2-6,2-6 |