Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/09/14 12:30 | Marco Stefanidis v Akito Itagaki | W | 3-1 |
| Challenger Series TT | 2023/09/14 09:10 | Jin Ueda v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/09/14 07:10 | Marco Stefanidis v Kirill Fadeev | L | 1-3 |
| Challenger Series TT | 2023/08/18 09:50 | Marco Stefanidis v Tobias Slanina | L | 2-3 |
| Challenger Series TT | 2023/08/18 06:30 | Marco Stefanidis v Makoto Nogami | L | 0-3 |
| Challenger Series TT | 2023/08/17 17:50 | Marco Stefanidis v Alvaro Gainza | W | 3-1 |
| Challenger Series TT | 2023/08/17 16:30 | Marco Stefanidis v Marius Henninger | L | 0-3 |
| Challenger Series TT | 2023/08/17 11:50 | Marco Stefanidis v Kirill Fadeev | L | 0-3 |
| Challenger Series TT | 2023/09/14 11:50 | Jin Ueda v Simon Berglund | L | 3-1 |
| Challenger Series TT | 2023/09/14 09:50 | Simon Berglund v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/09/14 07:50 | Simon Berglund v Guillaume Alcayde | L | 2-3 |
| Challenger Series TT | 2023/08/11 13:30 | Simon Berglund v Andreas Levenko | L | 2-3 |
| Challenger Series TT | 2023/08/11 11:25 | Simon Berglund v Simon Pfeffer | W | 3-0 |
| Challenger Series TT | 2023/08/11 10:30 | Simon Berglund v Simon Pfeffer | W | 3-0 |
| Challenger Series TT | 2023/08/11 07:50 | Simon Berglund v Florian Bourrassaud | W | 3-1 |
| Challenger Series TT | 2023/08/10 19:10 | Simon Berglund v Dauud Cheaib | W | 3-2 |