Head-to-head · 19 bouts
Iwakaze Kakutaro and Taiho Koki have met 19 times in recorded sumo. Taiho Koki leads 17–2.
Iwakaze Kakutaro has won with: thrust down (1), frontal push out (1).
Taiho Koki has won with: frontal force out (6), frontal crush out (2), frontal lift out (2), under shoulder swing down (1), frontal thrust down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| January 1960 | Day 11 | Taiho Koki | Frontal force out | Maegashira 4 East vs Maegashira 13 West |
| May 1960 | Day 9 | Taiho Koki | Frontal crush out | Maegashira 4 East vs Maegashira 6 East |
| July 1960 | Day 7 | Taiho Koki | Frontal force out | Maegashira 7 West vs Komusubi 1 West |
| September 1960 | Day 12 | Taiho Koki | Under shoulder swing down | Komusubi 2 West vs Sekiwake 1 West |
| November 1960 | Day 2 | Taiho Koki | Frontal crush out | Sekiwake 1 East vs Komusubi 1 West |
| January 1961 | Day 10 | Taiho Koki | Frontal lift out | Ozeki 2 East vs Sekiwake 1 West |
| March 1961 | Day 15 | Taiho Koki | Frontal thrust down | Sekiwake 1 West vs Ozeki 2 West |
| May 1961 | Day 13 | Taiho Koki | Frontal force out | Sekiwake 1 West vs Ozeki 1 West |
| July 1961 | Day 12 | Taiho Koki | Slap down | Ozeki 1 East vs Sekiwake 1 East |
| September 1961 | Day 10 | Iwakaze Kakutaro | Thrust down | Ozeki 1 East vs Komusubi 1 West |
| November 1961 | Day 8 | Iwakaze Kakutaro | Frontal push out | Komusubi 1 West vs Yokozuna 1 West |
| January 1962 | Day 10 | Taiho Koki | Frontal force out | Yokozuna 1 East vs Komusubi 1 East |
| November 1962 | Day 6 | Taiho Koki | Backward force down | Yokozuna 1 East vs Maegashira 1 East |
| July 1963 | Day 9 | Taiho Koki | Frontal push out | Yokozuna 1 East vs Komusubi 1 West |
| September 1963 | Day 4 | Taiho Koki | Frontal force out | Yokozuna 1 East vs Maegashira 3 East |
| November 1963 | Day 4 | Taiho Koki | Over arm throw | Sekiwake 1 West vs Yokozuna 1 West |
| January 1964 | Day 4 | Taiho Koki | Beltless armthrow | Yokozuna 1 East vs Maegashira 2 West |
| July 1964 | Day 1 | Taiho Koki | Frontal lift out | Yokozuna 2 East vs Maegashira 3 East |
| September 1964 | Day 1 | Taiho Koki | Frontal force out | Maegashira 3 West vs Yokozuna 1 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.