Estadio: Ochsenhausen, Germany
| Challenger Series TT | 2023/06/19 07:50 | Marco Stefanidis v Carlo Rossi | L | 1-3 |
| Challenger Series TT | 2023/06/09 08:30 | Kirill Fadeev v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/06/09 07:10 | Antonin Gavlas v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/06/08 17:10 | Tobias Slanina v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2023/06/08 15:10 | Jeromy Loffler v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2023/06/08 12:30 | Florian Bluhm v Marco Stefanidis | L | 3-2 |
| 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 | 2023/06/19 07:10 | Sven Happek v Jose Guillot | W | 1-3 |
| Challenger Series TT | 2023/06/16 07:50 | Liang Qiu v Jose Guillot | L | 3-1 |
| Challenger Series TT | 2023/06/16 07:10 | Enio Mendes v Jose Guillot | L | 3-0 |
| Challenger Series TT | 2023/06/15 15:50 | Yannick Vostes v Jose Guillot | L | 3-0 |
| Challenger Series TT | 2023/06/15 13:50 | Dauud Cheaib v Jose Guillot | L | 3-1 |
| Challenger Series TT | 2023/06/15 11:10 | Zengyi Wang v Jose Guillot | L | 3-1 |
| Challenger Series TT | 2023/06/15 06:30 | Norbert Tauler v Jose Guillot | L | 3-1 |
| TT Star Series | 2023/02/14 12:15 | Jose Guillot v Jakub Seibert | W | 3-2 |