Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/07/20 17:50 | Marco Stefanidis v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/06/09 07:10 | Antonin Gavlas v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/09/14 14:30 | Marco Stefanidis v Simon Berglund | L | 0-3 |
| 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 | 2023/09/14 15:50 | Jin Ueda v Antonin Gavlas | L | 3-0 |
| Challenger Series TT | 2023/09/14 13:50 | Antonin Gavlas v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/09/14 10:30 | Antonin Gavlas v Guillaume Alcayde | W | 3-2 |
| Challenger Series TT | 2023/09/14 08:30 | Antonin Gavlas v Dauud Cheaib | W | 3-2 |
| Challenger Series TT | 2023/09/12 13:30 | Antonin Gavlas v Amirreza Abbasi | L | 1-3 |
| Challenger Series TT | 2023/09/12 11:25 | Antonin Gavlas v Jeromy Loffler | W | 3-1 |
| Challenger Series TT | 2023/09/12 09:10 | Guillaume Alcayde v Antonin Gavlas | W | 0-3 |
| Challenger Series TT | 2023/09/12 07:10 | Antonin Gavlas v Amirreza Abbasi | W | 3-1 |