Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/03/09 20:50 | Damian Zech v Guilherme Teodoro | L | 0-3 |
| Challenger Series TT | 2023/03/02 16:10 | Guilherme Teodoro v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/01/30 10:50 | Damian Zech v Guilherme Teodoro | L | 0-3 |
| Challenger Series TT | 2022/09/19 14:30 | Guilherme Teodoro v Damian Zech | L | 3-0 |
| Challenger Series TT | 2022/01/25 10:50 | Damian Zech v Guilherme Teodoro | L | 2-3 |
| Challenger Ochsenhausen | 2021/10/18 20:00 | Damian Zech v Guilherme Teodoro | L | 1-3 |
| Challenger Series TT | 2023/10/23 18:30 | Damian Zech v Finn Luu | L | 1-3 |
| Challenger Series TT | 2023/10/23 14:30 | Damian Zech v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/10/23 12:30 | Damian Zech v Jeromy Loffler | L | 1-3 |
| Challenger Series TT | 2023/10/23 09:10 | Mike Hollo v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/10/23 07:10 | Damian Zech v Alexander Valuch | L | 0-3 |
| Challenger Series TT | 2023/08/04 09:50 | Damian Zech v Hannes Hormann | L | 0-3 |
| Challenger Series TT | 2023/08/04 06:30 | Damian Zech v Zengyi Wang | L | 2-3 |
| Challenger Series TT | 2023/08/03 17:50 | Damian Zech v Anton Limonov | L | 0-3 |
| Challenger Series TT | 2023/10/23 17:15 | Mike Hollo v Guilherme Teodoro | W | 1-3 |
| Challenger Series TT | 2023/10/23 15:50 | Guilherme Teodoro v Alexander Valuch | L | 2-3 |
| Challenger Series TT | 2023/10/23 13:10 | Guilherme Teodoro v Carlo Rossi | L | 1-3 |
| Challenger Series TT | 2023/10/23 11:10 | Guilherme Teodoro v Jeromy Loffler | W | 3-1 |
| Challenger Series TT | 2023/10/23 08:30 | Finn Luu v Guilherme Teodoro | W | 1-3 |
| WTT Contender Antalya Quals | 2023/10/18 12:40 | Guilherme Teodoro v Filip Zeljko | L | 2-3 |
| WTT Contender Antalya Quals 2023 | 2023/10/16 13:45 | Horacio Cifuentes v Guilherme Teodoro | W | 1-3 |
| WTT Feeder Stockholm | 2023/10/04 16:20 | Guilherme Teodoro v Bastian Rembert | L | 0-3 |