| Challenger Series TT | 2023/07/13 08:30 | Tobias Slanina v Makoto Nogami | L | 3-1 |
| Challenger Series TT | 2023/08/17 15:10 | Makoto Nogami v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2023/08/17 13:10 | Alvaro Gainza v Makoto Nogami | W | 2-3 |
| Challenger Series TT | 2023/08/17 10:30 | Marius Henninger v Makoto Nogami | L | 3-2 |
| Challenger Series TT | 2023/08/17 07:50 | Kirill Fadeev v Makoto Nogami | L | 3-1 |
| Challenger Series TT | 2023/08/15 11:30 | Dauud Cheaib v Makoto Nogami | L | 3-0 |
| Challenger Series TT | 2023/08/15 10:45 | Carlos Caballero v Makoto Nogami | L | 3-1 |
| Challenger Series TT | 2023/08/15 09:10 | Daniel Rinderer v Makoto Nogami | W | 2-3 |
| Challenger Series TT | 2023/08/15 06:30 | Marcel Neumaier v Makoto Nogami | W | 0-3 |
| Challenger Series TT | 2023/08/17 15:50 | Alvaro Gainza v Tobias Slanina | L | 3-1 |
| Challenger Series TT | 2023/08/17 13:50 | Marius Henninger v Tobias Slanina | L | 3-0 |
| Challenger Series TT | 2023/08/17 09:50 | Kirill Fadeev v Tobias Slanina | L | 3-1 |
| Challenger Series TT | 2023/08/17 07:10 | Daniel Rinderer v Tobias Slanina | L | 3-1 |
| Challenger Series TT | 2023/08/11 09:50 | Tobias Slanina v Zengyi Wang | W | 3-1 |
| Challenger Series TT | 2023/08/11 06:30 | Tobias Slanina v Simon Pfeffer | L | 1-3 |
| Challenger Series TT | 2023/08/10 17:50 | Tobias Slanina v Florian Bourrassaud | L | 0-3 |
| Challenger Series TT | 2023/08/10 16:30 | Tobias Slanina v Dauud Cheaib | L | 1-3 |