| Challenger Series TT | 2023/07/03 15:10 | David Reitspies v Daniel Rinderer | W | 3-0 |
| Challenger Series TT | 2023/07/03 13:10 | Benjamin Fruchart v David Reitspies | W | 1-3 |
| Challenger Series TT | 2023/07/03 10:30 | Mathias Golab v David Reitspies | W | 2-3 |
| Challenger Series TT | 2023/07/03 07:50 | Dennis Klein v David Reitspies | L | 3-1 |
| TT Star Series | 2023/06/06 15:15 | David Reitspies v Elias Ranefur | L | 1-3 |
| TT Star Series | 2023/06/06 13:24 | David Reitspies v Filip Zeljko | W | 3-1 |
| TT Star Series | 2023/06/06 11:15 | David Reitspies v Elias Ranefur | W | 3-1 |
| TT Star Series | 2023/06/06 09:15 | Ivor Ban v David Reitspies | W | 1-3 |
| Challenger Series TT | 2023/07/03 15:50 | Benjamin Fruchart v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/07/03 13:50 | Mathias Golab v Akito Itagaki | W | 1-3 |
| Challenger Series TT | 2023/07/03 09:50 | Dennis Klein v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/07/03 07:10 | Tobias Slanina v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/06/20 07:50 | Sven Happek v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/06/19 19:50 | Marco Stefanidis v Akito Itagaki | W | 1-3 |
| Challenger Series TT | 2023/06/19 17:50 | Dennis Klein v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/06/19 15:50 | Akito Itagaki v Jose Guillot | W | 3-0 |