Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/10/17 08:30 | Akito Itagaki v Carlos Caballero | W | 0-3 |
| Challenger Series TT | 2023/10/17 07:10 | Carlos Caballero v Kirill Fadeev | L | 0-3 |
| Challenger Series TT | 2023/10/16 19:10 | Dauud Cheaib v Carlos Caballero | L | 3-1 |
| Challenger Series TT | 2023/10/16 16:30 | Dennis Klein v Carlos Caballero | L | 3-1 |
| Challenger Series TT | 2023/10/16 13:50 | Carlos Caballero v Simon Berglund | L | 0-3 |
| Challenger Series TT | 2023/10/16 10:30 | Carlos Caballero v Jong-Eon Yeon | W | 3-0 |
| Challenger Series TT | 2023/10/16 08:30 | Carlos Caballero v Stephane Ouaiche | W | 3-1 |
| Challenger Series TT | 2023/08/15 12:10 | Daniel Rinderer v Carlos Caballero | W | 2-3 |
| Challenger Series TT | 2023/11/21 14:30 | Dauud Cheaib v Mike Hollo | L | 3-1 |
| Challenger Series TT | 2023/11/21 13:05 | Mike Hollo v Norbert Tauler | W | 3-0 |
| Challenger Series TT | 2023/11/21 11:30 | Mike Hollo v Rafael Turrini | W | 3-0 |
| Challenger Series TT | 2023/11/21 08:50 | Mike Hollo v Akito Itagaki | W | 3-0 |
| Challenger Series TT | 2023/11/20 20:10 | Mike Hollo v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/11/20 15:30 | Mike Hollo v Abdelbasset Chaichi | W | 3-1 |
| Challenger Series TT | 2023/11/20 13:30 | Mike Hollo v Liang Qiu | W | 3-0 |
| Challenger Series TT | 2023/11/20 10:10 | Jeromy Loffler v Mike Hollo | W | 0-3 |