Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/05/05 07:50 | Damian Zech v Akito Itagaki | L | 0-3 |
| Challenger Series TT | 2023/10/24 09:50 | Damian Zech v Carlo Rossi | L | 0-3 |
| Challenger Series TT | 2023/10/24 07:50 | Damian Zech v Guilherme Teodoro | L | 1-3 |
| Challenger Series TT | 2023/10/23 18:30 | Damian Zech v Finn Luu | L | 1-3 |
| Challenger Series TT | 2023/10/23 14:30 | Damian Zech v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/10/23 12:30 | Damian Zech v Jeromy Loffler | L | 1-3 |
| Challenger Series TT | 2023/10/23 09:10 | Mike Hollo v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/10/23 07:10 | Damian Zech v Alexander Valuch | L | 0-3 |
| Challenger Series TT | 2023/08/04 09:50 | Damian Zech v Hannes Hormann | L | 0-3 |
| Challenger Series TT | 2023/10/17 08:30 | Akito Itagaki v Carlos Caballero | L | 0-3 |
| Challenger Series TT | 2023/10/16 19:50 | Akito Itagaki v Stephane Ouaiche | L | 2-3 |
| Challenger Series TT | 2023/10/16 17:10 | Akito Itagaki v Kirill Fadeev | L | 0-3 |
| 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 |