Home History
| Challenger Sao Paulo | 2022/04/01 02:40 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/04/01 02:00 | Milton Cardoso v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/04/01 01:20 | Manuel Freitas Chambel Paiva v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/04/01 00:40 | Douglas Tomioka v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/03/31 23:40 | Alan Santos v Guilherme Mattos | W | 2-3 |
| Challenger Sao Paulo | 2022/03/31 23:00 | Jonas Silva v Guilherme Mattos | W | 2-3 |
| Challenger Sao Paulo | 2022/03/31 22:20 | Hiromi Yokoyama v Guilherme Mattos | W | 0-3 |
| Challenger Sao Paulo | 2022/03/31 21:40 | Helder Faria Junior v Guilherme Mattos | L | 3-0 |