Head-to-head · 34 bouts
Tosanoumi Toshio and Musashimaru Koyo have met 34 times in recorded sumo. Musashimaru Koyo leads 28–6.
Tosanoumi Toshio has won with: frontal force out (2), arm grabbing force out (2), underarm throw (1), hand pull down (1).
Musashimaru Koyo has won with: frontal push out (9), frontal force out (9), frontal push down (2), slap down (2), frontal crush out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 1995 | Day 1 | Musashimaru Koyo | Frontal crush out | Ozeki 1 East vs Maegashira 1 West |
| January 1996 | Day 1 | Musashimaru Koyo | Frontal push out | Komusubi 1 East vs Ozeki 1 West |
| March 1996 | Day 5 | Musashimaru Koyo | Frontal force out | Komusubi 1 East vs Ozeki 1 West |
| May 1996 | Day 12 | Musashimaru Koyo | Underarm throw | Ozeki 2 East vs Maegashira 1 West |
| November 1996 | Day 4 | Tosanoumi Toshio | Underarm throw | Maegashira 1 West vs Ozeki 1 West |
| January 1997 | Day 9 | Musashimaru Koyo | Frontal push down | Maegashira 1 East vs Ozeki 1 West |
| March 1997 | Day 4 | Musashimaru Koyo | Rear push out | Komusubi 1 East vs Ozeki 1 West |
| May 1997 | Day 3 | Tosanoumi Toshio | Frontal force out | Ozeki 1 East vs Sekiwake 1 West |
| July 1997 | Day 9 | Musashimaru Koyo | Frontal force out | Sekiwake 1 East vs Ozeki 1 West |
| September 1997 | Day 10 | Musashimaru Koyo | Frontal force out | Ozeki 1 East vs Sekiwake 1 East |
| November 1997 | Day 4 | Musashimaru Koyo | Frontal push out | Ozeki 1 East vs Maegashira 1 West |
| January 1998 | Day 9 | Musashimaru Koyo | Frontal force out | Maegashira 3 East vs Ozeki 1 West |
| March 1998 | Day 13 | Tosanoumi Toshio | Hand pull down | Ozeki 1 East vs Maegashira 6 East |
| May 1998 | Day 5 | Musashimaru Koyo | Frontal push out | Maegashira 2 West vs Ozeki 1 West |
| January 1999 | Day 3 | Musashimaru Koyo | Frontal thrust out | Ozeki 1 East vs Maegashira 1 West |
| March 1999 | Day 6 | Musashimaru Koyo | Frontal force out | Ozeki 1 East vs Maegashira 2 East |
| May 1999 | Day 4 | Musashimaru Koyo | Frontal push out | Ozeki 1 East vs Maegashira 1 East |
| July 1999 | Day 5 | Musashimaru Koyo | Frontal force out | Komusubi 1 East vs Yokozuna 1 West |
| September 1999 | Day 3 | Musashimaru Koyo | Frontal push out | Sekiwake 1 West vs Yokozuna 1 West |
| November 1999 | Day 8 | Tosanoumi Toshio | Frontal force out | Yokozuna 1 East vs Komusubi 2 West |
| March 2000 | Day 5 | Musashimaru Koyo | Slap down | Yokozuna 2 East vs Komusubi 1 East |
| July 2000 | Day 2 | Tosanoumi Toshio | Arm grabbing force out | Yokozuna 2 East vs Komusubi 1 East |
| September 2000 | Day 1 | Musashimaru Koyo | Beltless armthrow | Maegashira 1 East vs Yokozuna 1 West |
| November 2000 | Day 8 | Musashimaru Koyo | Frontal push out | Yokozuna 1 East vs Maegashira 4 East |
| January 2001 | Day 10 | Musashimaru Koyo | Slap down | Maegashira 5 East vs Yokozuna 1 West |
| May 2001 | Day 9 | Musashimaru Koyo | Frontal force out | Maegashira 3 West vs Yokozuna 1 West |
| July 2001 | Day 8 | Musashimaru Koyo | Frontal push down | Maegashira 4 East vs Yokozuna 1 West |
| September 2001 | Day 5 | Musashimaru Koyo | Frontal force out | Yokozuna 1 East vs Maegashira 3 East |
| November 2001 | Day 2 | Musashimaru Koyo | Frontal push out | Yokozuna 1 East vs Maegashira 2 West |
| March 2002 | Day 4 | Musashimaru Koyo | Frontal push out | Yokozuna 1 East vs Maegashira 1 West |
| May 2002 | Day 5 | Musashimaru Koyo | Hand pull down | Yokozuna 1 East vs Maegashira 2 West |
| July 2002 | Day 1 | Musashimaru Koyo | Frontal force out | Yokozuna 1 East vs Komusubi 1 West |
| September 2002 | Day 9 | Musashimaru Koyo | Frontal push out | Yokozuna 1 East vs Sekiwake 1 West |
| November 2003 | Day 7 | Tosanoumi Toshio | Arm grabbing force out | Maegashira 2 West vs Yokozuna 1 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.