Head-to-head · 12 bouts
Hachiya Toshiyuki and Kotoinazuma Yoshihiro have met 12 times in recorded sumo. Hachiya Toshiyuki leads 9–3.
Hachiya Toshiyuki has won with: frontal force out (3), frontal lift out (2), slap down (2), backward force down (1), frontal push out (1).
Kotoinazuma Yoshihiro has won with: frontal push out (2), arm lock throw (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| May 1985 | Day 4 | Hachiya Toshiyuki | Frontal force out | Juryo 6 East vs Juryo 13 West |
| July 1985 | Day 12 | Hachiya Toshiyuki | Frontal lift out | Juryo 8 East vs Juryo 9 East |
| September 1985 | Day 1 | Hachiya Toshiyuki | Slap down | Juryo 6 East vs Juryo 6 West |
| November 1985 | Day 4 | Hachiya Toshiyuki | Backward force down | Juryo 4 East vs Juryo 12 East |
| January 1986 | Day 5 | Hachiya Toshiyuki | Slap down | Juryo 7 West vs Juryo 2 West |
| May 1986 | Day 4 | Hachiya Toshiyuki | Frontal push out | Juryo 13 East vs Juryo 6 West |
| July 1986 | Day 6 | Hachiya Toshiyuki | Frontal lift out | Juryo 8 East vs Juryo 12 East |
| November 1986 | Day 7 | Kotoinazuma Yoshihiro | Arm lock throw | Juryo 7 East vs Juryo 9 East |
| January 1987 | Day 4 | Hachiya Toshiyuki | Frontal force out | Juryo 4 East vs Juryo 6 East |
| March 1987 | Day 1 | Hachiya Toshiyuki | Frontal force out | Juryo 2 East vs Juryo 1 West |
| May 1987 | Day 2 | Kotoinazuma Yoshihiro | Frontal push out | Juryo 1 East vs Juryo 5 East |
| July 1987 | Day 4 | Kotoinazuma Yoshihiro | Frontal push out | Juryo 9 West vs Juryo 6 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.