| Challenger Series TT | 2023/11/13 15:30 | Akito Itagaki v Alexander Valuch | W | 0-3 |
| Challenger Series TT | 2023/10/05 09:50 | Akito Itagaki v Alexander Valuch | W | 0-3 |
| WTT Feeder Dusseldorf III Quals | 2023/11/27 18:20 | Alexander Valuch v Anton Limonov | L | 1-3 |
| Challenger Series TT | 2023/11/14 11:30 | Alexander Valuch v Martin Baechler | L | 0-3 |
| Challenger Series TT | 2023/11/14 08:50 | Alexander Valuch v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/11/13 20:10 | Vidit Desai v Alexander Valuch | W | 0-3 |
| Challenger Series TT | 2023/11/13 15:30 | Akito Itagaki v Alexander Valuch | W | 0-3 |
| Challenger Series TT | 2023/11/13 13:30 | Alexander Valuch v Sven Happek | W | 3-1 |
| Challenger Series TT | 2023/11/13 10:10 | Dennis Klein v Alexander Valuch | L | 3-0 |
| Challenger Series TT | 2023/11/13 08:10 | Liang Qiu v Alexander Valuch | L | 3-1 |
| Challenger Series TT | 2023/11/21 08:50 | Mike Hollo v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/11/20 20:50 | Abdelbasset Chaichi v Akito Itagaki | W | 0-3 |
| Challenger Series TT | 2023/11/20 18:50 | Jeromy Loffler v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/11/20 16:50 | Akito Itagaki v Norbert Tauler | L | 0-3 |
| Challenger Series TT | 2023/11/20 14:10 | Akito Itagaki v Rafael Turrini | L | 1-3 |
| Challenger Series TT | 2023/11/20 12:10 | Akito Itagaki v Liang Qiu | L | 2-3 |
| Challenger Series TT | 2023/11/20 09:30 | Dauud Cheaib v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/11/14 10:10 | Akito Itagaki v Vidit Desai | W | 3-2 |