Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/05/04 11:10 | Akito Itagaki v Kirill Fadeev | W | 2-3 |
| Challenger Series TT | 2023/06/05 12:30 | Kirill Fadeev v David Molnar | W | 3-2 |
| Challenger Series TT | 2023/06/05 09:10 | Akos Kishegyi v Kirill Fadeev | W | 2-3 |
| Challenger Series TT | 2023/06/05 07:10 | Kirill Fadeev v Florian Bluhm | L | 0-3 |
| Challenger Series TT | 2023/05/23 13:30 | Albert Vilardell v Kirill Fadeev | L | 3-1 |
| Challenger Series TT | 2023/05/23 12:05 | Kirill Fadeev v Louis Price | W | 3-0 |
| Challenger Series TT | 2023/05/23 08:30 | Damian Zech v Kirill Fadeev | W | 0-3 |
| Challenger Series TT | 2023/05/23 07:10 | Albert Vilardell v Kirill Fadeev | L | 3-0 |
| Challenger Series TT | 2023/05/22 17:10 | Sven Happek v Kirill Fadeev | W | 1-3 |
| Challenger Series TT | 2023/06/05 11:50 | Akos Kishegyi v Akito Itagaki | W | 1-3 |
| Challenger Series TT | 2023/06/05 09:50 | Akito Itagaki v Florian Bluhm | L | 0-3 |
| Challenger Series TT | 2023/06/05 07:50 | Akito Itagaki v Jin Ueda | L | 0-3 |
| Challenger Series TT | 2023/05/05 07:50 | Damian Zech v Akito Itagaki | W | 0-3 |
| Challenger Series TT | 2023/05/04 19:50 | Dennis Klein v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/05/04 17:50 | Makoto Nogami v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/05/04 15:50 | Akito Itagaki v Bohdan Sinkevych | L | 2-3 |
| Challenger Series TT | 2023/05/04 13:10 | Akito Itagaki v Peter Hribar | L | 0-3 |