Head-to-head · 13 bouts
Kotoryu Hiroo and Musoyama Masashi have met 13 times in recorded sumo. Musoyama Masashi leads 8–5.
Kotoryu Hiroo has won with: hand pull down (1), frontal force out (1), twisting underarm throw (1), slap down (1), pulling over armthrow (1).
Musoyama Masashi has won with: frontal push out (5), frontal force out (1), thrust down (1), rear push out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| March 1997 | Day 9 | Kotoryu Hiroo | Hand pull down | Sekiwake 1 East vs Maegashira 4 East |
| November 1997 | Day 10 | Musoyama Masashi | Frontal push out | Maegashira 6 East vs Maegashira 14 West |
| March 1998 | Day 12 | Musoyama Masashi | Frontal force out | Maegashira 5 East vs Sekiwake 1 West |
| September 1998 | Day 15 | Musoyama Masashi | Thrust down | Komusubi 1 East vs Maegashira 6 West |
| November 1999 | Day 14 | Kotoryu Hiroo | Frontal force out | Komusubi 1 East vs Maegashira 6 West |
| January 2000 | Day 7 | Musoyama Masashi | Frontal push out | Sekiwake 2 East vs Maegashira 1 West |
| March 2000 | Day 1 | Musoyama Masashi | Frontal push out | Sekiwake 1 East vs Maegashira 3 East |
| January 2001 | Day 13 | Kotoryu Hiroo | Twisting underarm throw | Maegashira 7 West vs Ozeki 3 West |
| March 2001 | Day 1 | Musoyama Masashi | Rear push out | Maegashira 1 West vs Ozeki 1 West |
| September 2002 | Day 7 | Musoyama Masashi | Frontal push out | Maegashira 3 West vs Ozeki 2 West |
| January 2003 | Day 14 | Musoyama Masashi | Frontal push out | Maegashira 8 West vs Ozeki 1 West |
| September 2003 | Day 3 | Kotoryu Hiroo | Slap down | Ozeki 2 East vs Maegashira 3 East |
| July 2004 | Day 4 | Kotoryu Hiroo | Pulling over armthrow | Ozeki 2 East vs Maegashira 3 East |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.