Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/10/05 09:10 | Daniel Rinderer v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/10/05 07:10 | Sven Happek v Alexander Valuch | L | 0-3 |
| Challenger Series TT | 2023/09/19 09:50 | Sven Happek v Alvaro Gainza | L | 1-3 |
| Challenger Series TT | 2023/09/19 06:30 | Sven Happek v Jong-Eon Yeon | L | 2-3 |
| Challenger Series TT | 2023/09/18 17:50 | Sven Happek v Sudhanshu Grover | L | 1-3 |
| Challenger Series TT | 2023/09/18 16:30 | Sven Happek v Louis Reuseau | W | 3-2 |
| Challenger Series TT | 2023/09/18 11:50 | Sven Happek v Louis Price | L | 0-3 |
| Challenger Series TT | 2023/09/18 09:10 | Sven Happek v Dauud Cheaib | L | 0-3 |
| 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 |
| Challenger Series TT | 2023/09/25 13:50 | Dauud Cheaib v Hannes Hormann | L | 3-0 |
| Challenger Series TT | 2023/09/25 09:50 | Alexander Valuch v Hannes Hormann | L | 3-0 |