| Challenger Sao Paulo | 2022/04/15 01:40 | Hiromi Yokoyama v Roberto Tadashi Ishikawa | L | 2-3 |
| Challenger Sao Paulo | 2022/04/07 22:20 | Roberto Tadashi Ishikawa v Hiromi Yokoyama | L | 3-1 |
| Challenger Sao Paulo | 2022/04/06 22:20 | Roberto Tadashi Ishikawa v Hiromi Yokoyama | L | 3-1 |
| Challenger Sao Paulo | 2022/04/16 23:20 | Leandro Nogueira Carvalho v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/04/16 22:40 | Hiromi Yokoyama v Jonas Silva | W | 3-0 |
| Challenger Sao Paulo | 2022/04/16 22:00 | Hiromi Yokoyama v Vitor Pereira | W | 3-0 |
| Challenger Sao Paulo | 2022/04/16 21:20 | Hiromi Yokoyama v Lennon Uehara | L | 2-3 |
| Challenger Sao Paulo | 2022/04/15 02:20 | Hiromi Yokoyama v Leandro Nogueira Carvalho | W | 3-2 |
| Challenger Sao Paulo | 2022/04/15 01:40 | Hiromi Yokoyama v Roberto Tadashi Ishikawa | L | 2-3 |
| Challenger Sao Paulo | 2022/04/15 00:40 | Hiromi Yokoyama v Everton Vianna | L | 2-3 |
| Challenger Sao Paulo | 2022/04/15 00:00 | Hiromi Yokoyama v Fabio Mizutani | L | 0-3 |
| Challenger Sao Paulo | 2022/04/16 23:00 | Roberto Tadashi Ishikawa v Carlos Alberto Torres Ferraz | L | 0-3 |
| Challenger Sao Paulo | 2022/04/16 21:40 | Roberto Tadashi Ishikawa v Leandro Nogueira Carvalho | L | 0-3 |
| Challenger Sao Paulo | 2022/04/16 21:00 | Roberto Tadashi Ishikawa v Jonas Silva | W | 3-2 |
| Challenger Sao Paulo | 2022/04/15 02:40 | Sandro Motta v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/04/15 01:40 | Hiromi Yokoyama v Roberto Tadashi Ishikawa | W | 2-3 |
| Challenger Sao Paulo | 2022/04/15 01:00 | Roberto Tadashi Ishikawa v Leandro Nogueira Carvalho | L | 2-3 |
| Challenger Sao Paulo | 2022/04/15 00:20 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/04/14 23:00 | Carlos Alberto Torres Ferraz v Roberto Tadashi Ishikawa | W | 0-3 |