Head-to-head · 12 bouts
Kotokaze Koki and Oshio Kenji have met 12 times in recorded sumo. Kotokaze Koki leads 10–2.
Kotokaze Koki has won with: frontal force out (4), over arm throw (2), frontal push out (2), frontal crush out (1).
Oshio Kenji has won with: over arm throw (1), frontal crush out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| January 1976 | Day 12 | Kotokaze Koki | Frontal force out | Juryo 1 East vs Juryo 9 East |
| January 1977 | Day 2 | Oshio Kenji | Over arm throw | Maegashira 6 East vs Maegashira 11 West |
| March 1977 | Day 5 | Kotokaze Koki | Over arm throw | Maegashira 6 East vs Maegashira 10 East |
| September 1977 | Day 2 | Oshio Kenji | Frontal crush out | Maegashira 5 East vs Maegashira 1 West |
| November 1977 | Day 15 | Kotokaze Koki | Frontal force out | Maegashira 1 East vs Maegashira 3 East |
| January 1978 | Day 8 | Kotokaze Koki | Over arm throw | Komusubi 1 East vs Sekiwake 1 West |
| May 1978 | Day 7 | Kotokaze Koki | Frontal force out | Maegashira 1 East vs Maegashira 6 West |
| September 1979 | Day 9 | Kotokaze Koki | — | Makushita 8 West vs Makushita 1 West |
| November 1979 | Day 11 | Kotokaze Koki | Frontal push out | Juryo 13 West vs Juryo 11 West |
| March 1982 | Day 9 | Kotokaze Koki | Frontal force out | Ozeki 1 East vs Maegashira 3 East |
| January 1983 | Day 6 | Kotokaze Koki | Frontal crush out | Maegashira 1 East vs Ozeki 1 West |
| March 1983 | Day 12 | Kotokaze Koki | Frontal push out | Ozeki 1 East vs Maegashira 5 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.