| Challenger Series TT | 2023/06/20 07:50 | Sven Happek v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/06/19 19:50 | Marco Stefanidis v Akito Itagaki | W | 1-3 |
| Challenger Series TT | 2023/06/19 17:50 | Dennis Klein v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/06/19 15:50 | Akito Itagaki v Jose Guillot | W | 3-0 |
| Challenger Series TT | 2023/06/19 13:10 | Akito Itagaki v Carlo Rossi | L | 0-3 |
| Challenger Series TT | 2023/06/19 11:10 | Akito Itagaki v Johannes Willeke | W | 3-1 |
| Challenger Series TT | 2023/06/19 08:30 | Aljaz Godec v Akito Itagaki | W | 1-3 |
| Challenger Series TT | 2023/06/09 07:50 | Florian Bluhm v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/06/23 13:30 | Dennis Klein v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2023/06/23 12:05 | Dauud Cheaib v Carlo Rossi | W | 3-0 |
| Challenger Series TT | 2023/06/23 07:50 | Dennis Klein v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2023/06/22 19:50 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/06/22 17:50 | Tobias Slanina v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/06/22 15:50 | Dauud Cheaib v Samuel Amann | W | 3-1 |
| Challenger Series TT | 2023/06/22 13:10 | Dauud Cheaib v Ihor Zavadskyi | W | 3-1 |
| Challenger Series TT | 2023/06/22 11:10 | Dauud Cheaib v Johannes Willeke | W | 3-0 |