| Challenger Series TT | 2023/06/08 19:50 | Tobias Slanina v Akito Itagaki | L | 0-3 |
| Challenger Series TT | 2023/06/23 09:50 | Tobias Slanina v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/06/23 06:30 | Tobias Slanina v Ihor Zavadskyi | L | 1-3 |
| Challenger Series TT | 2023/06/22 17:50 | Tobias Slanina v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/06/22 16:30 | Tobias Slanina v Carlo Rossi | L | 0-3 |
| Challenger Series TT | 2023/06/22 11:50 | Tobias Slanina v Sven Happek | W | 3-2 |
| Challenger Series TT | 2023/06/22 09:10 | Tobias Slanina v Dennis Klein | L | 2-3 |
| Challenger Series TT | 2023/06/22 06:30 | Tobias Slanina v Johannes Willeke | W | 3-2 |
| Challenger Series TT | 2023/06/09 09:10 | Tobias Slanina v Antonin Gavlas | L | 0-3 |
| 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 |