Yokoyama against Sono, Natsu 1980, day 6
Natsu 1980, day 6, 16 May 1980. Jonokuchi, bout 22 of 23. East on the left, west on the right.
49% YokoyamaSono 51%
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.