| Challenger Sao Paulo | 2022/04/14 01:40 | Marco Cruz v Roberto Tadashi Ishikawa | L | 1-3 |
| Challenger Sao Paulo | 2022/04/07 02:40 | Marco Cruz v Roberto Tadashi Ishikawa | L | 1-3 |
| Challenger Sao Paulo | 2022/04/23 02:20 | Marco Cruz v Alexandre Tamaoki | L | 2-3 |
| Challenger Sao Paulo | 2022/04/23 01:40 | Marco Cruz v Fernando Santos | W | 3-1 |
| Challenger Sao Paulo | 2022/04/23 00:40 | Marco Cruz v Sandro Motta | W | 3-1 |
| Challenger Sao Paulo | 2022/04/23 00:00 | Marco Cruz v Jonas Silva | W | 3-0 |
| Challenger Sao Paulo | 2022/04/22 23:20 | Andre Cruz v Marco Cruz | W | 0-3 |
| Challenger Sao Paulo | 2022/04/22 22:40 | Marco Cruz v Jocimar Silva | W | 3-1 |
| Challenger Sao Paulo | 2022/04/22 22:00 | Marco Cruz v Luciano Martins Vieira Junior | W | 3-0 |
| Challenger Sao Paulo | 2022/04/22 21:20 | Marco Cruz v Geraldo Iqueuti | W | 3-0 |
| Challenger Sao Paulo | 2022/04/21 02:40 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/21 01:40 | Douglas Tomioka v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/21 01:00 | Roberto Tadashi Ishikawa v Newton Takaki | L | 1-3 |
| Challenger Sao Paulo | 2022/04/21 00:20 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/20 23:00 | Carlos Alberto Torres Ferraz v Roberto Tadashi Ishikawa | W | 2-3 |
| Challenger Sao Paulo | 2022/04/20 22:20 | Roberto Tadashi Ishikawa v Rodrigo Procidonio Ruiz | L | 0-3 |
| Challenger Sao Paulo | 2022/04/20 22:00 | Roberto Tadashi Ishikawa v Leandro Nogueira Carvalho | L | 2-3 |
| Challenger Sao Paulo | 2022/04/20 21:00 | Roberto Tadashi Ishikawa v De Hong Jung | W | 3-2 |