Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/06/05 09:50 | Akito Itagaki v Florian Bluhm | W | 0-3 |
| Challenger Series TT | 2023/06/08 19:10 | Florian Bluhm v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/06/08 14:30 | Florian Bluhm v Tobias Slanina | W | 3-1 |
| Challenger Series TT | 2023/06/08 12:30 | Florian Bluhm v Marco Stefanidis | W | 3-2 |
| Challenger Series TT | 2023/06/08 09:10 | Max Klink v Florian Bluhm | W | 0-3 |
| Challenger Series TT | 2023/06/08 07:10 | Florian Bluhm v Kirill Fadeev | L | 2-3 |
| Challenger Series TT | 2023/06/06 12:50 | Florian Bluhm v Jin Ueda | L | 0-3 |
| Challenger Series TT | 2023/06/06 11:25 | Antonin Gavlas v Florian Bluhm | L | 3-2 |
| Challenger Series TT | 2023/06/06 09:50 | Akos Kishegyi v Florian Bluhm | W | 0-3 |
| Challenger Series TT | 2023/06/08 19:50 | Tobias Slanina v Akito Itagaki | W | 0-3 |
| Challenger Series TT | 2023/06/08 17:50 | Max Klink v Akito Itagaki | W | 0-3 |
| Challenger Series TT | 2023/06/08 15:50 | Akito Itagaki v Kirill Fadeev | L | 2-3 |
| Challenger Series TT | 2023/06/08 13:10 | Akito Itagaki v Jeromy Loffler | L | 1-3 |
| Challenger Series TT | 2023/06/08 11:10 | Akito Itagaki v Marco Stefanidis | L | 1-3 |
| Challenger Series TT | 2023/06/08 08:30 | Antonin Gavlas v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/06/06 09:10 | Akito Itagaki v Simon Berglund | L | 0-3 |
| Challenger Series TT | 2023/06/05 19:50 | Akito Itagaki v Antonin Gavlas | L | 0-3 |