Head-to-head · 23 bouts
Kotokaze Koki and Wakashimazu Mutsuo have met 23 times in recorded sumo. Kotokaze Koki leads 16–7.
Kotokaze Koki has won with: frontal force out (8), frontal crush out (6), over arm throw (1), frontal lift out (1).
Wakashimazu Mutsuo has won with: frontal force out (2), frontal crush out (2), arm lock throw (1), frontal lift out (1), twisting underarm throw (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| January 1981 | Day 14 | Kotokaze Koki | Frontal crush out | Maegashira 12 East vs Maegashira 3 West |
| March 1981 | Day 6 | Kotokaze Koki | Frontal force out | Maegashira 4 East vs Sekiwake 1 West |
| September 1981 | Day 3 | Kotokaze Koki | Frontal force out | Sekiwake 1 East vs Maegashira 3 East |
| November 1981 | Day 3 | Kotokaze Koki | Frontal crush out | Ozeki 1 East vs Maegashira 4 West |
| January 1982 | Day 6 | Kotokaze Koki | Frontal crush out | Ozeki 1 East vs Maegashira 2 West |
| March 1982 | Day 12 | Kotokaze Koki | Frontal force out | Ozeki 1 East vs Sekiwake 1 West |
| May 1982 | Day 10 | Kotokaze Koki | Frontal force out | Sekiwake 1 West vs Ozeki 1 West |
| July 1982 | Day 2 | Wakashimazu Mutsuo | Arm lock throw | Komusubi 1 East vs Ozeki 1 West |
| September 1982 | Day 12 | Kotokaze Koki | Frontal crush out | Ozeki 1 East vs Sekiwake 1 East |
| November 1982 | Day 10 | Wakashimazu Mutsuo | Frontal force out | Sekiwake 1 East vs Ozeki 1 West |
| January 1983 | Day 15 | Kotokaze Koki | Frontal force out | Ozeki 2 West vs Ozeki 1 West |
| May 1983 | Day 8 | Wakashimazu Mutsuo | Frontal crush out | Ozeki 2 West vs Ozeki 1 West |
| July 1983 | Day 11 | Kotokaze Koki | Frontal force out | Ozeki 2 West vs Ozeki 1 West |
| September 1983 | Day 12 | Kotokaze Koki | Over arm throw | Ozeki 1 East vs Ozeki 1 West |
| November 1983 | Day 10 | Kotokaze Koki | Frontal force out | Ozeki 1 East vs Ozeki 1 West |
| January 1984 | Day 10 | Kotokaze Koki | Frontal crush out | Ozeki 1 East vs Ozeki 1 West |
| March 1984 | Day 15 | Wakashimazu Mutsuo | Frontal lift out | Ozeki 1 East vs Ozeki 1 West |
| May 1984 | Day 13 | Kotokaze Koki | Frontal lift out | Ozeki 1 East vs Ozeki 2 East |
| July 1984 | Day 15 | Wakashimazu Mutsuo | Frontal force out | Ozeki 2 East vs Ozeki 2 West |
| September 1984 | Day 13 | Wakashimazu Mutsuo | Frontal crush out | Ozeki 1 East vs Ozeki 2 West |
| November 1984 | Day 14 | Kotokaze Koki | Frontal crush out | Ozeki 1 East vs Ozeki 2 East |
| January 1985 | Day 12 | Kotokaze Koki | Frontal force out | Ozeki 1 East vs Ozeki 2 East |
| March 1985 | Day 11 | Wakashimazu Mutsuo | Twisting underarm throw | Ozeki 2 West vs Ozeki 1 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.