| Challenger Ochsenhausen | 10/12 11:50 | 1 | Teodoro Guilherme v Mihai Bobocica | L | 1-3 | |
| Challenger Ochsenhausen | 10/12 09:10 | 1 | Guilherme Teodoro v Riofrio, Emiliano | W | 3-0 | |
| Challenger Ochsenhausen | 10/12 06:30 | 1 | Guilherme Teodoro v Carlos Ishida | W | 3-2 | |
| Challenger Ochsenhausen | 02/11 10:00 | 1 | Gao, Peng v Teodoro Guilherme | L | 3-0 | |
| Challenger Ochsenhausen | 02/11 08:00 | 1 | Kanamitsu, Koyo v Teodoro Guilherme | L | 3-2 | |
| Challenger Ochsenhausen | 02/10 19:40 | 1 | Jakub Kleprlik v Teodoro Guilherme | L | 3-1 | |
| Challenger Ochsenhausen | 02/10 17:40 | 1 | Teodoro Guilherme v Dauud Cheaib | L | 2-3 | |
| Challenger Ochsenhausen | 02/10 15:00 | 1 | Teodoro Guilherme v Adam Szudi | L | 0-3 | |
| Challenger Ochsenhausen | 02/10 12:10 | 1 | Teodoro Guilherme v Petr David | L | 0-3 | |
| Challenger Ochsenhausen | 02/10 09:30 | 1 | Lorentz, Romain v Teodoro Guilherme | L | 3-0 | |
| ITTF Challenge, Spanish Open 2020, MS | 02/06 14:55 | 6 | Mihai Bobocica v Guilherme Teodoro | L | 4-0 | |
| Qatar Open XD | 05/05 13:50 | 1 | Andrea Landrieu v Guilherme Teodoro | L | 3-0 | |
| Qatar Open XD | 05/04 15:35 | 1 | Guilherme Teodoro v Kodama, Gustavo | W | 3-2 |