| Challenger Sao Paulo | 2022/05/13 23:20 | Roberto Tadashi Ishikawa v Antonio Neto | W | 3-0 |
| Challenger Sao Paulo | 2022/05/21 01:20 | Roberto Tadashi Ishikawa v Enrico Barnabe Umeki | W | 3-1 |
| 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 | 2022/05/21 01:20 | Antonio Neto v Jefferson Silva | L | 1-3 |
| Challenger Sao Paulo | 2022/05/21 00:20 | Antonio Neto v Marco Cruz | L | 2-3 |
| Challenger Sao Paulo | 2022/05/20 23:40 | Vinicius Girotto v Antonio Neto | W | 1-3 |
| Challenger Sao Paulo | 2022/05/20 23:00 | Antonio Neto v Luciano Martins Vieira Junior | W | 3-0 |
| Challenger Sao Paulo | 2022/05/20 22:40 | Geraldo Iqueuti v Antonio Neto | W | 1-3 |
| Challenger Sao Paulo | 2022/05/20 21:40 | Antonio Neto v Enrico Barnabe Umeki | W | 3-1 |
| Challenger Sao Paulo | 2022/05/20 21:00 | Julio Silva v Antonio Neto | L | 3-1 |
| Challenger Sao Paulo | 2022/05/14 02:20 | Jefferson Silva v Antonio Neto | L | 3-1 |