Estadio: Ochsenhausen, Germany
| Challenger Series TT | 2023/10/05 07:50 | Akito Itagaki v Guillaume Alcayde | L | 1-3 |
| Challenger Series TT | 2023/10/03 10:30 | Akito Itagaki v Sudhanshu Grover | L | 1-3 |
| Challenger Series TT | 2023/10/03 07:50 | Akito Itagaki v Akos Kishegyi | L | 2-3 |
| Challenger Series TT | 2023/10/02 19:10 | Akito Itagaki v Louis Price | L | 0-3 |
| Challenger Series TT | 2023/10/02 14:30 | Akito Itagaki v Sushmit Sriram | L | 1-3 |
| Challenger Series TT | 2023/10/02 12:30 | Akito Itagaki v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/10/02 09:10 | Liang Qiu v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/10/02 07:10 | Akito Itagaki v Guillaume Alcayde | L | 1-3 |
| Challenger Series TT | 2023/10/05 07:10 | Sven Happek v Alexander Valuch | W | 0-3 |
| Challenger Series TT | 2023/09/26 12:50 | Alexander Valuch v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/09/26 11:25 | Guilherme Teodoro v Alexander Valuch | L | 3-1 |
| Challenger Series TT | 2023/09/26 09:10 | Alexander Valuch v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/09/25 19:50 | Alexander Valuch v Armin Alicic | L | 2-3 |
| Challenger Series TT | 2023/09/25 17:10 | Alexander Valuch v Marius Henninger | W | 3-1 |
| Challenger Series TT | 2023/09/25 14:30 | Jeromy Loffler v Alexander Valuch | L | 3-1 |
| Challenger Series TT | 2023/09/25 11:50 | Makoto Nogami v Alexander Valuch | W | 2-3 |