Head-to-head · 13 bouts
Kotokaze Koki and Sadanoumi Koji have met 13 times in recorded sumo. Kotokaze Koki leads 9–4.
Kotokaze Koki has won with: frontal force out (7), over arm throw (1), frontal push out (1).
Sadanoumi Koji has won with: beltless armthrow (1), frontal force out (1), thrust down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 1974 | Day 1 | Sadanoumi Koji | — | Makushita 53 East vs Makushita 54 East |
| November 1980 | Day 13 | Sadanoumi Koji | Beltless armthrow | Maegashira 12 West vs Maegashira 2 West |
| September 1981 | Day 14 | Kotokaze Koki | Frontal force out | Sekiwake 1 East vs Maegashira 8 East |
| November 1981 | Day 2 | Sadanoumi Koji | Frontal force out | Ozeki 1 East vs Maegashira 4 East |
| January 1982 | Day 1 | Sadanoumi Koji | Thrust down | Ozeki 1 East vs Komusubi 1 East |
| March 1982 | Day 1 | Kotokaze Koki | Frontal force out | Ozeki 1 East vs Komusubi 1 East |
| January 1983 | Day 10 | Kotokaze Koki | Frontal force out | Maegashira 2 West vs Ozeki 1 West |
| March 1983 | Day 4 | Kotokaze Koki | Frontal force out | Ozeki 1 East vs Maegashira 5 East |
| July 1983 | Day 4 | Kotokaze Koki | Over arm throw | Maegashira 3 West vs Ozeki 2 West |
| November 1983 | Day 1 | Kotokaze Koki | Frontal push out | Komusubi 1 East vs Ozeki 1 West |
| March 1984 | Day 5 | Kotokaze Koki | Frontal force out | Komusubi 1 West vs Ozeki 1 West |
| May 1984 | Day 2 | Kotokaze Koki | Frontal force out | Ozeki 2 East vs Maegashira 1 West |
| September 1984 | Day 9 | Kotokaze Koki | Frontal force out | Maegashira 3 East vs Ozeki 2 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.