Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/10/06 07:10 | Sushmit Sriram v Hannes Hoermann | L | 3-2 |
| Challenger Series TT | 2023/10/05 17:10 | Akito Itagaki v Hannes Hoermann | L | 3-1 |
| Challenger Series TT | 2023/10/05 15:10 | Guillaume Alcayde v Hannes Hoermann | L | 3-0 |
| Challenger Series TT | 2023/10/05 12:30 | Sven Happek v Hannes Hoermann | L | 3-1 |
| Challenger Series TT | 2023/10/05 11:10 | Miguel Nunez v Hannes Hoermann | L | 3-1 |
| Challenger Series TT | 2023/10/05 06:30 | Daniel Rinderer v Hannes Hoermann | L | 3-0 |
| Challenger Series TT | 2023/09/26 09:50 | Makoto Nogami v Hannes Hoermann | L | 3-1 |
| Challenger Series TT | 2023/09/26 08:30 | Hannes Hoermann v Marius Henninger | L | 1-3 |