Head-to-head · 15 bouts
Wakanoyama Hiroshi and Kotoryu Hiroo have met 15 times in recorded sumo. Wakanoyama Hiroshi leads 11–4.
Wakanoyama Hiroshi has won with: frontal force out (3), rear push out (3), frontal push out (2), arm bar throw (1), frontal crush out (1).
Kotoryu Hiroo has won with: frontal push out (1), frontal force out (1), rear push out (1), over arm throw (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| January 1994 | Day 9 | Wakanoyama Hiroshi | Frontal force out | Makushita 17 West vs Makushita 5 West |
| May 1995 | Day 12 | Wakanoyama Hiroshi | Frontal force out | Juryo 6 East vs Juryo 13 West |
| January 1996 | Day 11 | Wakanoyama Hiroshi | Arm bar throw | Juryo 4 East vs Juryo 7 West |
| March 1996 | Day 2 | Wakanoyama Hiroshi | Frontal push out | Juryo 3 East vs Juryo 4 East |
| May 1996 | Day 1 | Kotoryu Hiroo | Frontal push out | Juryo 2 East vs Juryo 2 West |
| July 1999 | Day 3 | Wakanoyama Hiroshi | Frontal crush out | Maegashira 15 East vs Maegashira 13 West |
| September 1999 | Day 1 | Wakanoyama Hiroshi | Rear push out | Maegashira 11 East vs Maegashira 10 West |
| November 1999 | Day 1 | Wakanoyama Hiroshi | Rear push out | Maegashira 6 East vs Maegashira 6 West |
| March 2000 | Day 13 | Wakanoyama Hiroshi | Rear push out | Maegashira 1 East vs Maegashira 3 East |
| July 2000 | Day 3 | Kotoryu Hiroo | Frontal force out | Maegashira 6 West vs Maegashira 4 West |
| September 2001 | Day 15 | Kotoryu Hiroo | Rear push out | Maegashira 12 East vs Maegashira 7 West |
| March 2002 | Day 7 | Kotoryu Hiroo | Over arm throw | Juryo 1 West vs Maegashira 15 West |
| May 2002 | Day 5 | Wakanoyama Hiroshi | Frontal force out | Maegashira 8 East vs Maegashira 7 West |
| November 2002 | Day 8 | Wakanoyama Hiroshi | Thrust down | Maegashira 9 West vs Maegashira 6 West |
| May 2003 | Day 1 | Wakanoyama Hiroshi | Frontal push out | Maegashira 10 East vs Maegashira 10 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.