All head-to-head matches
| Date | East | Rank | Rank | West | Result | |
|---|---|---|---|---|---|---|
| Katonishiki | Jk25W | Jk21W | Kotoizumi |
|
i | |
| Katonishiki | Jk45E | Jk46E | Kotoizumi |
|
i |
| Date | East | Rank | Rank | West | Result | |
|---|---|---|---|---|---|---|
| Katonishiki | Jk25W | Jk21W | Kotoizumi |
|
i | |
| Katonishiki | Jk45E | Jk46E | Kotoizumi |
|
i |