Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/09/14 06:30 | Jin Ueda v Akito Itagaki | W | 3-1 |
| Challenger Series TT | 2023/06/06 12:50 | Florian Bluhm v Jin Ueda | W | 0-3 |
| Challenger Series TT | 2023/06/06 12:05 | Jin Ueda v Simon Berglund | L | 1-3 |
| Challenger Series TT | 2023/06/06 10:30 | Kirill Fadeev v Jin Ueda | W | 1-3 |
| Challenger Series TT | 2023/06/06 06:30 | Akos Kishegyi v Jin Ueda | W | 0-3 |
| Challenger Series TT | 2023/06/05 18:30 | Jin Ueda v Florian Bluhm | W | 3-1 |
| Challenger Series TT | 2023/06/05 15:10 | Jin Ueda v David Molnar | W | 3-2 |
| Challenger Series TT | 2023/06/05 13:10 | Antonin Gavlas v Jin Ueda | L | 3-2 |
| 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 | 2023/08/17 09:10 | Marco Stefanidis v Daniel Rinderer | L | 1-3 |
| Challenger Series TT | 2023/08/17 06:30 | Marco Stefanidis v Dennis Klein | L | 0-3 |