| Challenger Sao Paulo | 2022/05/21 00:00 | Roberto Tadashi Ishikawa v Jefferson Silva | L | 1-3 |
| Challenger Sao Paulo | 2022/05/20 23:20 | Roberto Tadashi Ishikawa v Marco Cruz | W | 3-0 |
| Challenger Sao Paulo | 2022/05/20 22:40 | Vinicius Girotto v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/05/20 22:00 | Luciano Martins Vieira Junior v Roberto Tadashi Ishikawa | W | 1-3 |
| Challenger Sao Paulo | 2022/05/20 21:20 | Geraldo Iqueuti v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/05/19 02:40 | Hiromi Yokoyama v Roberto Tadashi Ishikawa | L | 3-2 |
| Challenger Sao Paulo | 2022/05/19 01:20 | Allan Sarmento v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/19 00:40 | Rogerio Capobianco v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/05/21 00:40 | Geraldo Iqueuti v Enrico Barnabe Umeki | W | 0-3 |
| Challenger Sao Paulo | 2022/05/20 23:40 | Marco Cruz v Enrico Barnabe Umeki | L | 3-0 |
| Challenger Sao Paulo | 2022/05/20 23:00 | Julio Silva v Enrico Barnabe Umeki | L | 3-0 |
| Challenger Sao Paulo | 2022/05/20 22:20 | Luciano Martins Vieira Junior v Enrico Barnabe Umeki | L | 3-0 |
| Challenger Sao Paulo | 2022/05/20 21:40 | Antonio Neto v Enrico Barnabe Umeki | L | 3-1 |
| Challenger Sao Paulo | 2022/04/16 02:20 | Jonas Da Silva v Enrico Barnabe Umeki | L | 3-0 |
| Challenger Sao Paulo | 2022/04/16 02:00 | Enrico Barnabe Umeki v Fernando Santos | L | 0-3 |
| Challenger Sao Paulo | 2022/04/16 01:20 | Enrico Barnabe Umeki v Rafael Aguiar | L | 0-3 |