| Challenger Sao Paulo | 2022/04/08 00:20 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/07 23:00 | Leandro Nogueira Carvalho v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/07 22:20 | Roberto Tadashi Ishikawa v Hiromi Yokoyama | W | 3-1 |
| Challenger Sao Paulo | 2022/04/07 22:00 | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/04/07 21:00 | Roberto Tadashi Ishikawa v Rogerio Capobianco | W | 3-0 |
| Challenger Sao Paulo | 2022/04/07 02:40 | Marco Cruz v Roberto Tadashi Ishikawa | W | 1-3 |
| Challenger Sao Paulo | 2022/04/07 01:40 | Guilherme Mattos v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/04/07 01:00 | Roberto Tadashi Ishikawa v De Hong Jung | L | 0-3 |
| Challenger Sao Paulo | 2022/04/08 00:20 | Leandro Nogueira Carvalho v Douglas Tomioka | W | 2-3 |
| Challenger Sao Paulo | 2022/04/07 23:40 | Douglas Tomioka v Hiromi Yokoyama | W | 3-0 |
| Challenger Sao Paulo | 2022/04/07 23:20 | Alejandro Fernandez Junior v Douglas Tomioka | W | 1-3 |
| Challenger Sao Paulo | 2022/04/07 22:20 | Douglas Tomioka v Rogerio Capobianco | W | 3-0 |
| Challenger Sao Paulo | 2022/04/07 21:20 | Douglas Tomioka v Vitor Carlesse Martins | W | 3-1 |
| Challenger Sao Paulo | 2022/04/01 02:20 | Douglas Tomioka v Alan Santos | W | 3-0 |
| Challenger Sao Paulo | 2022/04/01 01:40 | Douglas Tomioka v Hiromi Yokoyama | W | 3-0 |
| Challenger Sao Paulo | 2022/04/01 00:40 | Douglas Tomioka v Guilherme Mattos | W | 3-1 |