Stadium: Ochsenhausen, Germany Round: 2
| Challenger Series TT | 2023/12/11 12:50 | Dennis Klein v Mike Hollo | W | 3-0 |
| Challenger Series TT | 2024/02/27 14:30 | Liang Qiu v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2024/02/27 13:05 | Dennis Klein v Mohammed Javad Sohrabi | W | 3-0 |
| Challenger Series TT | 2024/02/27 08:50 | Alexander Valuch v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2024/02/26 20:50 | Samuel Amann v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2024/02/26 18:50 | Akito Itagaki v Dennis Klein | L | 3-1 |
| Challenger Series TT | 2024/02/26 16:50 | Dennis Klein v Mohammed Javad Sohrabi | W | 3-0 |
| Challenger Series TT | 2024/02/26 14:10 | Dennis Klein v Sven Happek | W | 3-0 |
| Challenger Series TT | 2024/02/26 12:10 | Dennis Klein v Haruki Harada | L | 2-3 |
| Challenger Series TT | 2024/04/09 14:00 | Carlos Caballero v Mike Hollo | L | 3-2 |
| Challenger Series TT | 2024/04/09 12:40 | Miguel Nunez v Mike Hollo | L | 3-0 |
| Challenger Series TT | 2024/04/09 07:40 | Siddharta Almeida v Mike Hollo | W | 2-3 |
| Challenger Series TT | 2024/04/08 18:10 | Armin Alicic v Mike Hollo | W | 0-3 |
| Challenger Series TT | 2024/04/08 16:25 | Carlos Caballero v Mike Hollo | L | 3-1 |
| Challenger Series TT | 2024/04/08 14:40 | Mike Hollo v Joon Shim | W | 3-2 |
| Challenger Series TT | 2024/04/08 12:20 | Mike Hollo v Eusebio Vos | W | 3-1 |
| Challenger Series TT | 2024/04/08 10:35 | Mike Hollo v Miguel Nunez | L | 0-3 |