| Polish Open Qual | 2023/03/22 16:10 | Brian Holtschke v Collins Valentine Filimon | L | 0-2 |
| Dutch Open | 2023/10/12 13:00 | Brian Holtschke v Julien Scheiwiller | L | 1-2 |
| Bulgarian Int. | 2023/10/07 08:20 | Brian Holtschke v Mateusz Danielak | L | 0-2 |
| Bulgarian Int | 2023/10/06 15:15 | Brian Holtschke v Dominik Kopriva | W | 2-0 |
| Bulgarian Int | 2023/10/06 07:15 | Brian Holtschke v Ivan Rusev | W | 2-1 |
| Belgian Int. Qual | 2023/09/13 15:55 | Elias Bracke v Brian Holtschke | L | 2-0 |
| Belgian Int. Qual | 2023/09/13 10:00 | Brian Holtschke v Dragoslav Petrovic | W | 2-0 |
| Slovenia Future Series | 2023/09/08 08:00 | Brian Holtschke v Gustav Bjorkler | L | 0-2 |
| Nouvelle Aquitane Future Series | 2023/07/07 09:20 | Nicolas A. Mueller v Brian Holtschke | L | 2-0 |
| Abu Dhabi Masters | 2023/10/18 13:05 | Kiran George v Collins Valentine Filimon | L | 2-0 |
| Abu Dhabi Masters | 2023/10/18 06:00 | Harry Huang v Collins Valentine Filimon | W | 0-2 |
| Scottish Open | 2023/10/07 14:40 | Collins Valentine Filimon v Mads Christophersen | L | 0-2 |
| Scottish Open | 2023/10/07 08:45 | Collins Valentine Filimon v Joakim Oldorff | W | 2-1 |
| Scottish Open | 2023/10/06 14:40 | Collins Valentine Filimon v Kai Schaefer | W | 2-1 |
| Scottish Open | 2023/10/06 09:20 | Collins Valentine Filimon v James Robertson | W | 2-1 |
| Polish Int. | 2023/09/23 14:40 | Collins Valentine Filimon v Daniil Dubovenko | L | 0-2 |
| Polish Int. | 2023/09/23 07:40 | Enogat Roy v Collins Valentine Filimon | W | 1-2 |