Koboyama against Oko, Aki 1978, day 9
Aki 1978, day 9, 18 September 1978. Makushita, bout 21 of 29. East on the left, west on the right.
51% KoboyamaOko 49%
The ratings had it close to even, 51% to 49%. These are the site's own ratings as the basho began, not a bookmaker's odds.
Koboyama 1Oko 3
- Oko won · Natsu 1982, day 14, Juryohatakikomi
- Koboyama won · Haru 1981, day 8, Juryohatakikomi
- Oko won · Hatsu 1979, day 12, Makushita
- Oko won · Aki 1978, day 9, Makushita (this bout)
This was their first meeting.