Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/03/14 09:30 | Peter Hribar v Makoto Nogami | W | 0-3 |
| Challenger Series TT | 2023/05/04 17:50 | Makoto Nogami v Akito Itagaki | W | 3-1 |
| Challenger Series TT | 2023/05/04 16:30 | Makoto Nogami v Benjamin Fruchart | L | 0-3 |
| Challenger Series TT | 2023/05/04 11:50 | Makoto Nogami v Dennis Klein | L | 2-3 |
| Challenger Series TT | 2023/05/04 09:10 | Makoto Nogami v Damian Zech | W | 3-2 |
| Challenger Series TT | 2023/05/04 06:30 | Makoto Nogami v Kirill Fadeev | L | 1-3 |
| 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 | 2023/05/04 18:30 | Peter Hribar v Bohdan Sinkevych | W | 3-0 |
| Challenger Series TT | 2023/05/04 15:10 | Peter Hribar v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/05/04 13:10 | Akito Itagaki v Peter Hribar | W | 0-3 |
| Challenger Series TT | 2023/05/04 10:30 | Benjamin Fruchart v Peter Hribar | W | 2-3 |
| Challenger Series TT | 2023/05/04 07:50 | Dennis Klein v Peter Hribar | L | 3-0 |
| Challenger Series TT | 2023/04/11 12:51 | Miguel Nunez v Peter Hribar | W | 0-3 |
| Challenger Series TT | 2023/04/11 12:50 | Miguel Nunez v Peter Hribar | W | 0-3 |
| Challenger Series TT | 2023/04/11 12:05 | Dauud Cheaib v Peter Hribar | L | 3-0 |