8th Kansai Championship 1st round
Place: Osaka, Japan
Start: 2012-10-08, End: 2012-10-08
Rule: Yamaguchi, Games: 15
| Round 1 | ||||
|---|---|---|---|---|
| Black | Result | White | ||
| Hasegawa Kazuto | 2583.50 | 1 : 0 | 2167.63 | Koiso Shigemasa |
| Takahashi Roi | 2171.03 | 0 : 1 | 2469.12 | Iio Yoshihiro |
| Miyagawa Junzo | 2213.81 | 1 : 0 | 1989.43 | Kon Akira |
| Round 2 | ||||
| Black | Result | White | ||
| Hasegawa Kazuto | 2583.50 | 1 : 0 | 2171.03 | Takahashi Roi |
| Miyagawa Junzo | 2213.81 | 0 : 1 | 2469.12 | Iio Yoshihiro |
| Koiso Shigemasa | 2167.63 | 1 : 0 | 1989.43 | Kon Akira |
| Round 3 | ||||
| Black | Result | White | ||
| Hasegawa Kazuto | 2583.50 | 1 : 0 | 2469.12 | Iio Yoshihiro |
| Koiso Shigemasa | 2167.63 | 0 : 1 | 2213.81 | Miyagawa Junzo |
| Kon Akira | 1989.43 | 0 : 1 | 2171.03 | Takahashi Roi |
| Round 4 | ||||
| Black | Result | White | ||
| Hasegawa Kazuto | 2583.50 | 0 : 1 | 1989.43 | Kon Akira |
| Koiso Shigemasa | 2167.63 | 0 : 1 | 2469.12 | Iio Yoshihiro |
| Miyagawa Junzo | 2213.81 | 0 : 1 | 2171.03 | Takahashi Roi |
| Round 5 | ||||
| Black | Result | White | ||
| Hasegawa Kazuto | 2583.50 | 0 : 1 | 2213.81 | Miyagawa Junzo |
| Kon Akira | 1989.43 | 0 : 1 | 2469.12 | Iio Yoshihiro |
| Takahashi Roi | 2171.03 | 0 : 1 | 2167.63 | Koiso Shigemasa |