Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/07/04 08:30 | Akito Itagaki v Daniel Rinderer | W | 2-3 |
| Challenger Series TT | 2023/10/05 09:10 | Daniel Rinderer v Sven Happek | W | 3-1 |
| Challenger Series TT | 2023/10/05 06:30 | Daniel Rinderer v Hannes Hormann | W | 3-0 |
| Challenger Series TT | 2023/08/18 12:50 | Marius Henninger v Daniel Rinderer | W | 0-3 |
| Challenger Series TT | 2023/08/18 12:05 | Kirill Fadeev v Daniel Rinderer | L | 3-1 |
| Challenger Series TT | 2023/08/18 10:30 | Daniel Rinderer v Makoto Nogami | W | 3-2 |
| Challenger Series TT | 2023/08/18 07:50 | Daniel Rinderer v Alvaro Gainza | W | 3-0 |
| Challenger Series TT | 2023/08/17 19:10 | Daniel Rinderer v Marius Henninger | W | 3-2 |
| Challenger Series TT | 2023/08/17 14:30 | Daniel Rinderer v Kirill Fadeev | L | 1-3 |
| Challenger Series TT | 2023/10/05 09:50 | Akito Itagaki v Alexander Valuch | L | 0-3 |
| 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 |