Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/10/05 14:30 | Sven Happek v Akito Itagaki | W | 2-3 |
| Challenger Series TT | 2023/10/05 11:50 | Daniel Rinderer v Akito Itagaki | L | 3-1 |
| 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 | 2023/10/05 15:10 | Guillaume Alcayde v Hannes Hormann | L | 3-0 |
| Challenger Series TT | 2023/10/05 12:30 | Sven Happek v Hannes Hormann | L | 3-1 |
| Challenger Series TT | 2023/10/05 11:10 | Miguel Nunez v Hannes Hormann | L | 3-1 |
| Challenger Series TT | 2023/10/05 06:30 | Daniel Rinderer v Hannes Hormann | L | 3-0 |
| Challenger Series TT | 2023/09/26 09:50 | Makoto Nogami v Hannes Hormann | L | 3-1 |
| Challenger Series TT | 2023/09/26 08:30 | Hannes Hormann v Marius Henninger | L | 1-3 |
| Challenger Series TT | 2023/09/25 18:30 | Guilherme Teodoro v Hannes Hormann | L | 3-0 |
| Challenger Series TT | 2023/09/25 15:50 | Armin Alicic v Hannes Hormann | L | 3-2 |