Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/07/04 09:50 | Kirill Fadeev v Akito Itagaki | W | 3-0 |
| Challenger Series TT | 2023/06/08 15:50 | Akito Itagaki v Kirill Fadeev | W | 2-3 |
| Challenger Series TT | 2023/06/05 14:30 | Kirill Fadeev v Akito Itagaki | W | 3-1 |
| Challenger Series TT | 2023/05/04 11:10 | Akito Itagaki v Kirill Fadeev | W | 2-3 |
| Challenger Series TT | 2023/09/14 17:10 | Guillaume Alcayde v Kirill Fadeev | W | 1-3 |
| Challenger Series TT | 2023/09/14 13:50 | Antonin Gavlas v Kirill Fadeev | L | 3-0 |
| Challenger Series TT | 2023/09/14 09:50 | Simon Berglund v Kirill Fadeev | L | 3-0 |
| Challenger Series TT | 2023/09/14 07:10 | Marco Stefanidis v Kirill Fadeev | W | 1-3 |
| Challenger Series TT | 2023/09/08 13:30 | Rafael Turrini v Kirill Fadeev | W | 2-3 |
| Challenger Series TT | 2023/09/08 12:05 | Dauud Cheaib v Kirill Fadeev | W | 1-3 |
| Challenger Series TT | 2023/09/08 08:30 | Miguel Nunez v Kirill Fadeev | W | 2-3 |
| Challenger Series TT | 2023/09/08 07:10 | Dauud Cheaib v Kirill Fadeev | W | 1-3 |
| Challenger Series TT | 2023/09/15 07:10 | Antonin Gavlas v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/09/14 16:30 | Simon Berglund v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/09/14 15:10 | Guillaume Alcayde v Akito Itagaki | L | 3-1 |
| 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 |