Head-to-head · 25 bouts
Oshio Kenji and Masudayama Yasuhito have met 25 times in recorded sumo. Masudayama Yasuhito leads 17–8.
Oshio Kenji has won with: frontal push out (3), frontal force out (2), slap down (1), rear push out (1), frontal thrust out (1).
Masudayama Yasuhito has won with: slap down (7), frontal push out (3), frontal thrust out (2), thrust down (1), rear push down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| January 1977 | Day 15 | Masudayama Yasuhito | Thrust down | Maegashira 6 East vs Maegashira 9 East |
| May 1977 | Day 12 | Oshio Kenji | Slap down | Maegashira 10 East vs Maegashira 11 East |
| July 1977 | Day 9 | Masudayama Yasuhito | Rear push down | Maegashira 13 East vs Maegashira 5 West |
| January 1978 | Day 14 | Masudayama Yasuhito | Frontal push out | Komusubi 1 East vs Maegashira 7 East |
| March 1978 | Day 4 | Oshio Kenji | Frontal push out | Maegashira 11 East vs Maegashira 6 West |
| July 1978 | Day 9 | Masudayama Yasuhito | Frontal push out | Maegashira 3 East vs Maegashira 6 East |
| September 1978 | Day 10 | Oshio Kenji | Frontal force out | Maegashira 10 West vs Maegashira 7 West |
| November 1978 | Day 6 | Masudayama Yasuhito | Frontal push out | Maegashira 13 East vs Maegashira 11 West |
| September 1981 | Day 2 | Oshio Kenji | Frontal force out | Maegashira 9 East vs Maegashira 6 West |
| July 1982 | Day 8 | Oshio Kenji | Frontal push out | Maegashira 6 East vs Maegashira 13 West |
| September 1982 | Day 5 | Masudayama Yasuhito | Slap down | Maegashira 9 West vs Maegashira 2 West |
| January 1983 | Day 3 | Masudayama Yasuhito | Slap down | Maegashira 1 East vs Maegashira 6 East |
| May 1983 | Day 11 | Masudayama Yasuhito | Rear push out | Maegashira 6 East vs Maegashira 3 West |
| November 1983 | Day 13 | Masudayama Yasuhito | Over arm throw | Maegashira 5 East vs Maegashira 12 East |
| March 1984 | Day 9 | Oshio Kenji | Rear push out | Maegashira 11 West vs Maegashira 6 West |
| May 1984 | Day 8 | Masudayama Yasuhito | Slap down | Maegashira 12 West vs Maegashira 11 West |
| May 1985 | Day 13 | Oshio Kenji | Frontal push out | Maegashira 14 East vs Juryo 2 West |
| July 1985 | Day 2 | Masudayama Yasuhito | Frontal thrust out | Juryo 1 East vs Juryo 7 West |
| September 1985 | Day 4 | Masudayama Yasuhito | Frontal thrust down | Juryo 3 East vs Juryo 10 West |
| March 1986 | Day 8 | Masudayama Yasuhito | Frontal thrust out | Juryo 10 East vs Juryo 7 West |
| May 1986 | Day 6 | Oshio Kenji | Frontal thrust out | Juryo 3 East vs Juryo 9 East |
| September 1986 | Day 3 | Masudayama Yasuhito | Slap down | Juryo 12 West vs Juryo 5 West |
| November 1986 | Day 5 | Masudayama Yasuhito | Slap down | Juryo 4 East vs Juryo 8 East |
| March 1987 | Day 11 | Masudayama Yasuhito | Slap down | Juryo 5 East vs Juryo 13 West |
| September 1987 | Day 5 | Masudayama Yasuhito | Slap down | Juryo 1 East vs Juryo 6 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.