Head-to-head · 24 bouts
Aobajo Yukio and Masudayama Yasuhito have met 24 times in recorded sumo. Aobajo Yukio leads 14–10.
Aobajo Yukio has won with: frontal force out (6), frontal push out (2), beltless armthrow (1), frontal crush out (1), backward pivot throw (1).
Masudayama Yasuhito has won with: frontal push out (4), slap down (3), frontal push down (1), pulling over armthrow (1), frontal force out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 1976 | Day 2 | Aobajo Yukio | Frontal push out | Maegashira 8 East vs Maegashira 13 West |
| January 1977 | Day 8 | Aobajo Yukio | Frontal push out | Maegashira 5 East vs Maegashira 9 East |
| March 1977 | Day 11 | Aobajo Yukio | Beltless armthrow | Maegashira 4 East vs Maegashira 8 West |
| November 1977 | Day 6 | Aobajo Yukio | Frontal force out | Maegashira 8 East vs Maegashira 9 East |
| March 1978 | Day 5 | Aobajo Yukio | Frontal force out | Maegashira 11 East vs Maegashira 5 West |
| March 1979 | Day 8 | Masudayama Yasuhito | Frontal push out | Maegashira 7 West vs Maegashira 2 West |
| May 1979 | Day 11 | Masudayama Yasuhito | Frontal push out | Maegashira 10 West vs Maegashira 9 West |
| September 1979 | Day 7 | Aobajo Yukio | Frontal crush out | Maegashira 11 East vs Maegashira 13 East |
| November 1979 | Day 13 | Masudayama Yasuhito | Frontal push out | Maegashira 5 West vs Maegashira 3 West |
| January 1980 | Day 5 | Masudayama Yasuhito | Frontal push out | Maegashira 10 West vs Maegashira 7 West |
| September 1980 | Day 5 | Masudayama Yasuhito | Frontal push down | Maegashira 11 East vs Maegashira 9 West |
| September 1981 | Day 7 | Aobajo Yukio | Frontal force out | Maegashira 9 East vs Maegashira 11 West |
| July 1982 | Day 5 | Masudayama Yasuhito | Pulling over armthrow | Maegashira 13 West vs Maegashira 6 West |
| September 1982 | Day 9 | Aobajo Yukio | Backward pivot throw | Maegashira 3 East vs Maegashira 9 West |
| November 1982 | Day 4 | Aobajo Yukio | Rear push out | Maegashira 10 East vs Maegashira 3 West |
| January 1983 | Day 1 | Aobajo Yukio | Hand pull down | Maegashira 6 East vs Maegashira 4 West |
| July 1983 | Day 10 | Masudayama Yasuhito | Slap down | Komusubi 1 West vs Sekiwake 1 West |
| November 1983 | Day 14 | Masudayama Yasuhito | Slap down | Maegashira 5 East vs Maegashira 6 East |
| January 1984 | Day 10 | Aobajo Yukio | Frontal force out | Maegashira 2 East vs Komusubi 1 West |
| May 1984 | Day 12 | Masudayama Yasuhito | Slap down | Maegashira 11 West vs Maegashira 6 West |
| September 1984 | Day 7 | Masudayama Yasuhito | Frontal force out | Maegashira 5 East vs Maegashira 10 East |
| November 1984 | Day 5 | Aobajo Yukio | Slap down | Maegashira 11 West vs Maegashira 5 West |
| January 1986 | Day 9 | Aobajo Yukio | Frontal force out | Maegashira 12 East vs Juryo 1 West |
| May 1986 | Day 12 | Aobajo Yukio | Frontal force out | Juryo 2 East vs Juryo 3 East |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.