Head-to-head · 12 bouts
Iwakaze Kakutaro and Kainoyama Isamu have met 12 times in recorded sumo. they are level at 6–6.
Iwakaze Kakutaro has won with: frontal force out (2), backward force down (1), arm lock throw (1), thrust down (1), frontal lift out (1).
Kainoyama Isamu has won with: frontal force out (4), pulling underarm throw (1), backward pivot throw (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| September 1961 | Day 13 | Iwakaze Kakutaro | Frontal force out | Maegashira 13 West vs Komusubi 1 West |
| January 1962 | Day 1 | Kainoyama Isamu | Pulling underarm throw | Komusubi 1 East vs Maegashira 2 East |
| May 1962 | Day 1 | Kainoyama Isamu | Frontal force out | Maegashira 8 East vs Maegashira 8 West |
| September 1962 | Day 12 | Iwakaze Kakutaro | Frontal force out | Maegashira 8 East vs Maegashira 14 East |
| January 1963 | Day 11 | Kainoyama Isamu | Backward pivot throw | Maegashira 7 East vs Maegashira 8 East |
| May 1963 | Day 7 | Iwakaze Kakutaro | Backward force down | Maegashira 5 West vs Sekiwake 1 West |
| July 1963 | Day 2 | Iwakaze Kakutaro | Arm lock throw | Maegashira 2 West vs Komusubi 1 West |
| January 1964 | Day 12 | Kainoyama Isamu | Frontal force out | Komusubi 1 East vs Maegashira 2 West |
| March 1964 | Day 7 | Kainoyama Isamu | Frontal force out | Maegashira 6 East vs Maegashira 4 West |
| May 1964 | Day 9 | Iwakaze Kakutaro | Thrust down | Maegashira 7 East vs Maegashira 10 East |
| July 1964 | Day 13 | Kainoyama Isamu | Frontal force out | Maegashira 3 East vs Maegashira 3 West |
| September 1964 | Day 15 | Iwakaze Kakutaro | Frontal lift out | Maegashira 7 West vs Maegashira 3 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.