Stadium: Ochsenhausen, Germany
| 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 | 2023/06/06 08:30 | Florian Bluhm v David Molnar | W | 3-0 |
| Challenger Series TT | 2023/06/05 18:30 | Jin Ueda v Florian Bluhm | L | 3-1 |
| Challenger Series TT | 2023/06/05 15:50 | Antonin Gavlas v Florian Bluhm | L | 3-1 |
| Challenger Series TT | 2023/06/08 11:10 | Akito Itagaki v Marco Stefanidis | W | 1-3 |
| Challenger Series TT | 2023/06/08 06:30 | Max Klink v Marco Stefanidis | W | 1-3 |
| Challenger Series TT | 2023/03/03 10:50 | Liang Qiu v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/03/03 09:30 | Marco Stefanidis v Damian Zech | L | 1-3 |
| Challenger Series TT | 2023/03/02 19:30 | Guilherme Teodoro v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/03/02 16:50 | Anton Limonov v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2023/03/02 14:50 | Dillon Chambers v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/03/02 10:50 | Albert Vilardell v Marco Stefanidis | L | 3-1 |