Head-to-head · 17 bouts
Kotomitsuki Keiji and Musoyama Masashi have met 17 times in recorded sumo. Kotomitsuki Keiji leads 10–7.
Kotomitsuki Keiji has won with: frontal force out (5), thrust down (2), rear push out (1), beltless armthrow (1), hand pull down (1).
Musoyama Masashi has won with: frontal push out (3), frontal force out (2), thrust down (1), slap down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 2000 | Day 15 | Kotomitsuki Keiji | Rear push out | Maegashira 9 West vs Ozeki 3 West |
| January 2001 | Day 10 | Musoyama Masashi | Frontal push out | Sekiwake 1 West vs Ozeki 3 West |
| March 2001 | Day 8 | Musoyama Masashi | Frontal force out | Maegashira 3 West vs Ozeki 1 West |
| May 2001 | Day 6 | Kotomitsuki Keiji | Frontal force out | Komusubi 1 East vs Ozeki 1 West |
| July 2001 | Day 10 | Kotomitsuki Keiji | Frontal force out | Sekiwake 1 West vs Ozeki 1 West |
| September 2001 | Day 3 | Musoyama Masashi | Thrust down | Ozeki 2 East vs Maegashira 2 East |
| November 2001 | Day 12 | Kotomitsuki Keiji | Frontal force out | Ozeki 1 East vs Sekiwake 1 West |
| January 2002 | Day 1 | Kotomitsuki Keiji | Beltless armthrow | Sekiwake 1 East vs Ozeki 1 West |
| March 2002 | Day 2 | Musoyama Masashi | Frontal force out | Ozeki 2 East vs Sekiwake 1 East |
| September 2002 | Day 13 | Kotomitsuki Keiji | Thrust down | Maegashira 7 East vs Ozeki 2 West |
| November 2002 | Day 3 | Kotomitsuki Keiji | Thrust down | Sekiwake 1 West vs Ozeki 2 West |
| January 2003 | Day 8 | Kotomitsuki Keiji | Frontal force out | Sekiwake 1 West vs Ozeki 1 West |
| May 2003 | Day 3 | Musoyama Masashi | Frontal push out | Ozeki 2 East vs Maegashira 2 East |
| November 2003 | Day 2 | Kotomitsuki Keiji | Hand pull down | Maegashira 1 West vs Ozeki 2 West |
| March 2004 | Day 8 | Kotomitsuki Keiji | Frontal force out | Sekiwake 1 West vs Ozeki 2 West |
| May 2004 | Day 4 | Musoyama Masashi | Slap down | Ozeki 2 East vs Komusubi 1 West |
| July 2004 | Day 2 | Musoyama Masashi | Frontal push out | Ozeki 2 East vs Komusubi 1 East |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.