Head-to-head · 14 bouts
Tochiisami Yoshiharu and Kotogatake Koichi have met 14 times in recorded sumo. Kotogatake Koichi leads 8–6.
Tochiisami Yoshiharu has won with: frontal push out (3), frontal force out (1), arm bar throw (1), rear push out (1).
Kotogatake Koichi has won with: frontal crush out (3), frontal force out (2), beltless armthrow (1), underarm throw (1), frontal push out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| March 1974 | Day 10 | Kotogatake Koichi | Beltless armthrow | Juryo 11 East vs Makushita 3 East |
| January 1976 | Day 3 | Kotogatake Koichi | Underarm throw | Juryo 7 East vs Juryo 10 West |
| May 1976 | Day 2 | Tochiisami Yoshiharu | Frontal push out | Juryo 3 East vs Juryo 10 East |
| January 1977 | Day 9 | Kotogatake Koichi | Frontal crush out | Juryo 7 West vs Juryo 1 West |
| September 1977 | Day 10 | Tochiisami Yoshiharu | Frontal force out | Juryo 4 East vs Juryo 8 West |
| November 1977 | Day 4 | Kotogatake Koichi | Frontal crush out | Juryo 3 East vs Juryo 9 West |
| May 1978 | Day 3 | Tochiisami Yoshiharu | Frontal push out | Juryo 9 West vs Juryo 3 West |
| September 1978 | Day 13 | Tochiisami Yoshiharu | Arm bar throw | Juryo 7 East vs Juryo 4 West |
| November 1978 | Day 12 | Tochiisami Yoshiharu | Rear push out | Juryo 4 East vs Juryo 6 West |
| January 1979 | Day 10 | Kotogatake Koichi | Frontal push out | Juryo 10 East vs Juryo 8 West |
| May 1979 | Day 15 | Tochiisami Yoshiharu | Frontal push out | Juryo 12 West vs Juryo 3 West |
| July 1979 | Day 1 | Kotogatake Koichi | Frontal force out | Juryo 6 East vs Juryo 6 West |
| September 1979 | Day 4 | Kotogatake Koichi | Frontal force out | Juryo 10 East vs Juryo 4 West |
| November 1979 | Day 10 | Kotogatake Koichi | Frontal crush out | Juryo 9 East vs Juryo 13 East |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.