Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/03/03 07:30 | Liang Qiu v Guilherme Teodoro | L | 1-3 |
| Challenger Series TT | 2023/03/02 18:50 | Liang Qiu v Anton Limonov | L | 2-3 |
| Challenger Series TT | 2023/03/02 17:30 | Liang Qiu v Dillon Chambers | W | 3-0 |
| Challenger Series TT | 2023/03/02 12:50 | Liang Qiu v Albert Vilardell | L | 1-3 |
| Challenger Series TT | 2023/03/02 10:10 | Liang Qiu v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/03/02 07:30 | Liang Qiu v Damian Zech | W | 3-2 |
| Challenger Series TT | 2023/01/06 08:50 | David Kumpel v Liang Qiu | W | 0-3 |
| Challenger Series TT | 2023/01/05 20:50 | Kirill Fadeev v Liang Qiu | L | 3-1 |
| 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 |
| Challenger Series TT | 2023/03/02 08:10 | Samuel Amann v Marco Stefanidis | W | 1-3 |
| Challenger Series TT | 2023/02/10 11:30 | Marco Stefanidis v Alberto Mino | L | 0-3 |
| Challenger Series TT | 2023/02/10 08:50 | Marco Stefanidis v Sourav Saha | L | 0-3 |