Head-to-head · 19 bouts
Iwashita Eiichi and Aobayama Hirotoshi have met 19 times in recorded sumo. Aobayama Hirotoshi leads 11–8.
Iwashita Eiichi has won with: frontal push out (5), frontal crush out (1), frontal push down (1), frontal force out (1).
Aobayama Hirotoshi has won with: frontal force out (5), over arm throw (3), arm lock throw (1), rear push out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| September 1976 | Day 9 | Iwashita Eiichi | Frontal push out | Juryo 13 East vs Juryo 10 West |
| November 1976 | Day 13 | Iwashita Eiichi | Frontal crush out | Juryo 9 East vs Juryo 6 West |
| March 1977 | Day 1 | Iwashita Eiichi | Frontal push down | Juryo 2 East vs Juryo 2 West |
| May 1977 | Day 13 | Aobayama Hirotoshi | Frontal force out | Juryo 1 East vs Juryo 3 East |
| July 1977 | Day 14 | Aobayama Hirotoshi | fusen | Maegashira 10 East vs Maegashira 11 West |
| September 1979 | Day 12 | Iwashita Eiichi | Frontal push out | Maegashira 12 East vs Maegashira 9 West |
| November 1979 | Day 12 | Aobayama Hirotoshi | Frontal force out | Maegashira 6 East vs Maegashira 8 West |
| January 1980 | Day 14 | Aobayama Hirotoshi | Frontal force out | Maegashira 9 East vs Maegashira 9 West |
| March 1980 | Day 14 | Iwashita Eiichi | Frontal force out | Maegashira 4 East vs Maegashira 11 East |
| July 1980 | Day 10 | Iwashita Eiichi | Frontal push out | Maegashira 9 West vs Maegashira 3 West |
| March 1981 | Day 6 | Iwashita Eiichi | Frontal push out | Maegashira 13 East vs Maegashira 7 West |
| May 1981 | Day 7 | Aobayama Hirotoshi | Frontal force out | Maegashira 9 East vs Maegashira 10 East |
| July 1981 | Day 6 | Aobayama Hirotoshi | Frontal force out | Maegashira 7 East vs Maegashira 12 East |
| September 1981 | Day 10 | Aobayama Hirotoshi | Over arm throw | Maegashira 12 East vs Juryo 2 East |
| November 1981 | Day 8 | Aobayama Hirotoshi | Arm lock throw | Maegashira 13 West vs Maegashira 8 West |
| January 1982 | Day 9 | Aobayama Hirotoshi | Over arm throw | Juryo 5 West vs Juryo 4 West |
| May 1982 | Day 12 | Aobayama Hirotoshi | Over arm throw | Juryo 3 East vs Juryo 5 East |
| July 1982 | Day 15 | Aobayama Hirotoshi | Rear push out | Juryo 6 East vs Juryo 9 East |
| September 1982 | Day 1 | Iwashita Eiichi | Frontal push out | Juryo 12 East vs Juryo 11 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.