Head-to-head · 13 bouts
Yoshioyama Osamu and Kotetsuyama Toyoya have met 13 times in recorded sumo. Yoshioyama Osamu leads 7–6.
Yoshioyama Osamu has won with: frontal force out (3), over arm throw (2), outside leg trip (1), thrust down (1).
Kotetsuyama Toyoya has won with: frontal push out (2), twist down (1), under shoulder swing down (1), hand pull down (1), frontal crush out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 1969 | Day 14 | Yoshioyama Osamu | Frontal force out | Maegashira 2 East vs Maegashira 12 West |
| January 1970 | Day 9 | Kotetsuyama Toyoya | Twist down | Maegashira 10 East vs Juryo 2 East |
| July 1971 | Day 2 | Yoshioyama Osamu | Frontal force out | Juryo 11 East vs Juryo 11 West |
| September 1971 | Day 15 | Yoshioyama Osamu | Outside leg trip | Juryo 1 East vs Juryo 2 East |
| November 1971 | Day 2 | Kotetsuyama Toyoya | Under shoulder swing down | Maegashira 12 East vs Maegashira 12 West |
| March 1972 | Day 14 | Yoshioyama Osamu | Over arm throw | Maegashira 2 East vs Maegashira 12 West |
| May 1972 | Day 2 | Yoshioyama Osamu | Over arm throw | Maegashira 5 East vs Maegashira 3 West |
| July 1972 | Day 6 | Kotetsuyama Toyoya | Hand pull down | Maegashira 8 East vs Maegashira 9 West |
| September 1972 | Day 8 | Kotetsuyama Toyoya | Frontal push out | Maegashira 5 East vs Maegashira 11 West |
| November 1972 | Day 15 | Kotetsuyama Toyoya | Frontal push out | Maegashira 2 East vs Maegashira 9 West |
| July 1973 | Day 15 | Yoshioyama Osamu | Thrust down | Juryo 3 East vs Juryo 8 West |
| September 1973 | Day 15 | Yoshioyama Osamu | Frontal force out | Juryo 3 West vs Maegashira 12 West |
| January 1974 | Day 4 | Kotetsuyama Toyoya | Frontal crush out | Maegashira 8 East vs Maegashira 11 East |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.