Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2024/09/16 08:00 | Jeromy Loffler v Karl Zimmermann | L | 3-0 |
| Challenger Series TT | 2023/08/04 08:30 | Hannes Hormann v Karl Zimmermann | L | 3-1 |
| Challenger Series TT | 2023/08/04 07:10 | Bohdan Sinkevych v Karl Zimmermann | L | 3-1 |
| Challenger Series TT | 2023/08/03 17:10 | Marco Stefanidis v Karl Zimmermann | W | 2-3 |
| Challenger Series TT | 2023/08/03 15:10 | Zengyi Wang v Karl Zimmermann | L | 3-1 |
| Challenger Series TT | 2023/08/03 12:30 | Daniel Rinderer v Karl Zimmermann | L | 3-1 |
| Challenger Series TT | 2023/08/03 11:10 | Anton Limonov v Karl Zimmermann | L | 3-0 |
| Challenger Series TT | 2023/08/03 06:30 | Damian Zech v Karl Zimmermann | W | 1-3 |
| TT Star Series | 2024/08/31 10:24 | Jakub Seibert v Alberto Lillo | W | 1-3 |
| TT Star Series | 2024/08/31 09:30 | Antonin Gavlas v Alberto Lillo | L | 3-1 |
| TT Star Series | 2024/08/31 07:30 | Tomas Martinko v Alberto Lillo | W | 2-3 |
| TT Star Series | 2024/08/30 13:00 | Tomas Konecny v Alberto Lillo | L | 3-0 |
| TT Star Series | 2024/08/30 10:27 | Ondrej Kveton v Alberto Lillo | L | 3-2 |
| TT Star Series | 2024/08/30 09:00 | Yevhen Pryshchepa v Alberto Lillo | L | 3-0 |
| TT Star Series | 2024/08/30 06:00 | Jakub Kaucky v Alberto Lillo | W | 2-3 |
| TT Star Series | 2024/08/29 13:07 | Alberto Lillo v Charlie Carlsson | L | 0-3 |