Head-to-head · 14 bouts
Kotoryu Hiroo and Tosanoumi Toshio have met 14 times in recorded sumo. Tosanoumi Toshio leads 11–3.
Kotoryu Hiroo has won with: underarm throw (1), frontal force out (1), frontal push out (1).
Tosanoumi Toshio has won with: frontal push out (6), frontal force out (2), frontal push down (1), rear push down (1), over arm throw (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| September 1994 | Day 14 | Tosanoumi Toshio | Frontal push down | Makushita 3 East vs Makushita 1 West |
| November 1994 | Day 2 | Tosanoumi Toshio | Frontal force out | Juryo 13 East vs Makushita 1 West |
| March 1997 | Day 8 | Tosanoumi Toshio | Frontal push out | Komusubi 1 East vs Maegashira 4 East |
| July 1998 | Day 9 | Kotoryu Hiroo | Underarm throw | Maegashira 7 East vs Maegashira 13 West |
| November 1998 | Day 8 | Tosanoumi Toshio | Frontal push out | Maegashira 9 East vs Maegashira 11 East |
| November 1999 | Day 15 | Tosanoumi Toshio | Frontal push out | Maegashira 6 West vs Komusubi 2 West |
| January 2000 | Day 11 | Tosanoumi Toshio | Frontal push out | Komusubi 1 East vs Maegashira 1 West |
| May 2000 | Day 8 | Tosanoumi Toshio | Frontal force out | Komusubi 1 East vs Maegashira 5 West |
| September 2000 | Day 2 | Tosanoumi Toshio | Frontal push out | Maegashira 1 East vs Maegashira 1 West |
| November 2000 | Day 15 | Kotoryu Hiroo | Frontal force out | Maegashira 4 East vs Maegashira 11 East |
| July 2001 | Day 12 | Tosanoumi Toshio | Rear push down | Maegashira 4 East vs Maegashira 10 East |
| November 2002 | Day 15 | Tosanoumi Toshio | Frontal push out | Maegashira 6 West vs Maegashira 1 West |
| September 2003 | Day 15 | Tosanoumi Toshio | Over arm throw | Maegashira 3 East vs Komusubi 1 West |
| May 2004 | Day 1 | Kotoryu Hiroo | Frontal push out | Maegashira 9 East vs Maegashira 9 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.