Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/09/15 07:50 | Kirill Fadeev v Akito Itagaki | W | 2-3 |
| Challenger Series TT | 2023/07/04 09:50 | Kirill Fadeev v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/06/08 15:50 | Akito Itagaki v Kirill Fadeev | L | 2-3 |
| Challenger Series TT | 2023/06/05 14:30 | Kirill Fadeev v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/05/04 11:10 | Akito Itagaki v Kirill Fadeev | L | 2-3 |
| Challenger Series TT | 2023/10/16 14:30 | Dauud Cheaib v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/10/16 11:50 | Dennis Klein v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/10/16 09:50 | Akito Itagaki v Simon Berglund | L | 0-3 |
| Challenger Series TT | 2023/10/16 07:50 | Akito Itagaki v Jong-Eon Yeon | W | 3-2 |
| Challenger Series TT | 2023/10/06 09:10 | Akito Itagaki v Sushmit Sriram | L | 0-3 |
| Challenger Series TT | 2023/10/05 19:50 | Akito Itagaki v Miguel Nunez | L | 0-3 |
| Challenger Series TT | 2023/10/05 17:10 | Akito Itagaki v Hannes Hormann | W | 3-1 |
| Challenger Series TT | 2023/10/05 14:30 | Sven Happek v Akito Itagaki | W | 2-3 |
| Challenger Series TT | 2023/10/16 15:10 | Jong-Eon Yeon v Kirill Fadeev | W | 0-3 |
| Challenger Series TT | 2023/10/16 12:30 | Dauud Cheaib v Kirill Fadeev | L | 3-2 |
| Challenger Series TT | 2023/10/16 11:10 | Stephane Ouaiche v Kirill Fadeev | W | 1-3 |
| Challenger Series TT | 2023/10/16 06:30 | Dennis Klein v Kirill Fadeev | L | 3-0 |
| Challenger Series TT | 2023/09/15 09:10 | Jin Ueda v Kirill Fadeev | L | 3-0 |
| Challenger Series TT | 2023/09/15 07:50 | Kirill Fadeev v Akito Itagaki | L | 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 |