| 21st Okan Tournament | ||||
|---|---|---|---|---|
| Baba Shigeru | Baba Shigeru B+0.5 |
Baba Shigeru W+0.5 |
Baba Shigeru B+4.5 |
Baba Shigeru B+R |
| Sakai Isao | ||||
| Shimamura Toshihiro | ||||
| Tsuchida Masamitsu | Tsuchida Masamitsu W+R |
|||
| Okumura Hideo | Okumura Hideo B+0.5 |
|||
| Saijo Masataka | ||||
| Hane Yasumasa | Hane Yasumasa B+R |
Hane Yasumasa B+R |
||
| Kuwata Yasuaki | Kuwata Yasuaki W+R |
|||
| Ikezaki Tokinori | ||||
| Morishima Kaoru | Morishima Kaoru B+R |
Morishima Kaoru W+R |
||
| Hiroe Katsuhiko | ||||
| Inagaki Koichi | ||||
| date | black | white | result | #mv | sgf |
|---|---|---|---|---|---|
| 1980-10-23 | Iwata Tatsuaki | Baba Shigeru | B+R | 101 | sgf |
Iwata Tatsuaki retains the Okan title.