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