Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/07/20 19:50 | Dauud Cheaib v Antonin Gavlas | W | 3-2 |
| Challenger Series TT | 2023/07/20 17:10 | Dauud Cheaib v Jeromy Loffler | W | 3-0 |
| Challenger Series TT | 2023/07/20 14:30 | Damian Zech v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/07/20 11:50 | Marco Stefanidis v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/07/20 09:50 | Dauud Cheaib v Amirreza Abbasi | L | 0-3 |
| Challenger Series TT | 2023/07/20 07:50 | Dauud Cheaib v Yannick Vostes | W | 3-2 |
| Challenger Series TT | 2023/07/18 12:50 | Miroslav Horejsi v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2023/07/18 12:05 | Antonin Gavlas v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2023/07/04 09:50 | Kirill Fadeev v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/07/04 08:30 | Akito Itagaki v Daniel Rinderer | L | 2-3 |
| Challenger Series TT | 2023/07/03 18:30 | David Reitspies v Akito Itagaki | L | 3-2 |
| 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 |