Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/04/17 06:30 | Michael Engelhardt v Makoto Nogami | W | 3-2 |
| Challenger Series TT | 2023/03/13 07:30 | Michael Engelhardt v Makoto Nogami | W | 3-0 |
| Challenger Series TT | 2022/08/04 17:10 | Michael Engelhardt v Makoto Nogami | W | 3-1 |
| Challenger Series TT | 2023/05/02 08:30 | Benjamin Fruchart v Michael Engelhardt | L | 3-1 |
| Challenger Series TT | 2023/05/02 07:10 | Alexander Sverdlik v Michael Engelhardt | W | 2-3 |
| Challenger Series TT | 2023/05/01 17:10 | Nico Longhino v Michael Engelhardt | L | 3-2 |
| Challenger Series TT | 2023/05/01 15:10 | Snehit Suravajjula v Michael Engelhardt | L | 3-0 |
| Challenger Series TT | 2023/05/01 12:30 | Kirill Fadeev v Michael Engelhardt | L | 3-0 |
| Challenger Series TT | 2023/05/01 11:10 | George Downing v Michael Engelhardt | W | 1-3 |
| Challenger Series TT | 2023/05/01 06:30 | Dennis Klein v Michael Engelhardt | L | 3-0 |
| Challenger Series TT | 2023/04/18 09:50 | Michael Engelhardt v Dillon Chambers | L | 2-3 |
| Challenger Series TT | 2023/04/18 08:30 | Dillon Chambers v Makoto Nogami | L | 3-2 |
| Challenger Series TT | 2023/04/18 07:10 | Simon Berglund v Makoto Nogami | L | 3-1 |
| Challenger Series TT | 2023/04/17 17:10 | Sven Happek v Makoto Nogami | W | 1-3 |
| Challenger Series TT | 2023/04/17 15:10 | Siddharta Almeida v Makoto Nogami | W | 2-3 |
| Challenger Series TT | 2023/04/17 12:30 | Damian Zech v Makoto Nogami | L | 3-2 |
| Challenger Series TT | 2023/04/17 11:10 | Dauud Cheaib v Makoto Nogami | L | 3-2 |
| Challenger Series TT | 2023/04/17 06:30 | Michael Engelhardt v Makoto Nogami | L | 3-2 |
| Challenger Series TT | 2023/04/07 08:30 | Dimitrije Levajac v Makoto Nogami | W | 2-3 |