Stadium: Ochsenhausen, Germany
| 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 |
| Challenger Series TT | 2023/09/11 19:50 | Guillaume Alcayde v Armin Alicic | W | 3-0 |
| Challenger Series TT | 2023/09/11 17:10 | Guillaume Alcayde v Amirreza Abbasi | L | 0-3 |
| Challenger Series TT | 2023/09/11 14:30 | Hannes Hormann v Guillaume Alcayde | W | 1-3 |
| Challenger Series TT | 2023/09/11 11:50 | Oliver Both v Guillaume Alcayde | W | 1-3 |
| Challenger Series TT | 2023/09/14 12:30 | Marco Stefanidis v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/09/14 11:10 | Dauud Cheaib v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/09/14 06:30 | Jin Ueda v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/07/04 09:50 | Kirill Fadeev v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/07/04 08:30 | Akito Itagaki v Daniel Rinderer | L | 2-3 |
| Challenger Series TT | 2023/07/03 18:30 | David Reitspies v Akito Itagaki | L | 3-2 |
| Challenger Series TT | 2023/07/03 15:50 | Benjamin Fruchart v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/07/03 13:50 | Mathias Golab v Akito Itagaki | W | 1-3 |