Head-to-head · 20 bouts
Asashio Taro and Sadanoumi Koji have met 20 times in recorded sumo. Asashio Taro leads 17–3.
Asashio Taro has won with: frontal force out (7), frontal push out (6), frontal thrust out (2), frontal crush out (1), hand pull down (1).
Sadanoumi Koji has won with: frontal force out (1), over arm throw (1), frontal crush out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| January 1981 | Day 2 | Asashio Taro | Frontal push out | Maegashira 2 East vs Maegashira 3 East |
| March 1981 | Day 14 | Asashio Taro | Frontal force out | Maegashira 1 East vs Maegashira 10 East |
| July 1981 | Day 4 | Asashio Taro | Frontal thrust out | Sekiwake 2 East vs Maegashira 2 East |
| November 1981 | Day 11 | Asashio Taro | Frontal push out | Maegashira 4 East vs Komusubi 2 West |
| January 1982 | Day 14 | Asashio Taro | Frontal push out | Komusubi 1 East vs Sekiwake 1 West |
| March 1982 | Day 12 | Sadanoumi Koji | Frontal force out | Komusubi 1 East vs Maegashira 1 West |
| May 1982 | Day 8 | Asashio Taro | Frontal crush out | Maegashira 4 East vs Komusubi 1 West |
| January 1983 | Day 3 | Asashio Taro | Frontal push out | Maegashira 2 West vs Sekiwake 1 West |
| July 1983 | Day 8 | Asashio Taro | Frontal force out | Ozeki 3 East vs Maegashira 3 West |
| January 1984 | Day 14 | Sadanoumi Koji | Over arm throw | Maegashira 5 West vs Ozeki 2 West |
| March 1984 | Day 3 | Sadanoumi Koji | Frontal crush out | Ozeki 2 East vs Komusubi 1 West |
| May 1984 | Day 5 | Asashio Taro | Hand pull down | Maegashira 1 West vs Ozeki 2 West |
| September 1984 | Day 1 | Asashio Taro | Frontal force out | Ozeki 2 East vs Maegashira 3 East |
| March 1985 | Day 12 | Asashio Taro | Frontal push out | Ozeki 2 East vs Maegashira 13 East |
| May 1985 | Day 4 | Asashio Taro | Frontal force out | Ozeki 1 East vs Maegashira 4 West |
| September 1985 | Day 4 | Asashio Taro | Frontal thrust out | Ozeki 2 East vs Maegashira 3 East |
| March 1986 | Day 13 | Asashio Taro | Frontal force out | Ozeki 2 East vs Maegashira 6 West |
| November 1986 | Day 5 | Asashio Taro | Frontal push out | Maegashira 3 West vs Ozeki 1 West |
| May 1987 | Day 5 | Asashio Taro | Frontal force out | Ozeki 2 East vs Maegashira 4 East |
| September 1987 | Day 9 | Asashio Taro | Frontal force out | Ozeki 2 East vs Maegashira 3 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.