Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2022/11/22 09:30 | Rafael Turrini v Felix Kohler | L | 3-0 |
| Challenger Series TT | 2022/11/21 19:30 | Felix Kleeberg v Felix Kohler | W | 1-3 |
| Challenger Series TT | 2022/11/21 16:50 | Florian Bluhm v Felix Kohler | L | 3-0 |
| Challenger Series TT | 2022/11/21 14:50 | Sven Happek v Felix Kohler | L | 3-2 |
| Challenger Series TT | 2022/11/21 10:50 | Salim Karam v Felix Kohler | W | 0-3 |
| Challenger Series TT | 2022/11/21 08:10 | Josip Huzjak v Felix Kohler | L | 3-0 |
| Challenger Series TT | 2022/09/06 08:30 | Felix Kohler v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2022/09/05 15:50 | Felix Kohler v Carlos Muhlbach | L | 1-3 |
| Challenger Series TT | 2023/01/13 13:50 | Makoto Nogami v Josip Huzjak | W | 3-1 |
| Challenger Series TT | 2023/01/13 12:25 | Bohdan Sinkevych v Makoto Nogami | L | 3-1 |
| Challenger Series TT | 2023/01/13 09:30 | Jean Rassouw v Makoto Nogami | L | 3-2 |
| Challenger Series TT | 2023/01/13 08:10 | Dillon Chambers v Makoto Nogami | W | 1-3 |
| Challenger Series TT | 2023/01/12 18:10 | Josip Huzjak v Makoto Nogami | W | 2-3 |
| Challenger Series TT | 2023/01/12 16:10 | Bohdan Sinkevych v Makoto Nogami | L | 3-2 |
| Challenger Series TT | 2023/01/12 13:30 | Sven Happek v Makoto Nogami | L | 3-0 |
| Challenger Series TT | 2023/01/12 12:10 | Aljaz Godec v Makoto Nogami | W | 1-3 |