Head-to-head · 19 bouts
Mutsuarashi Yukio and Ryuko Seiho have met 19 times in recorded sumo. Mutsuarashi Yukio leads 10–9.
Mutsuarashi Yukio has won with: frontal lift out (6), beltless armthrow (1), hooking backward counter-throw (1), underarm throw (1), frontal thrust out (1).
Ryuko Seiho has won with: slap down (3), over arm throw (2), arm lock throw (1), hand pull down (1), outside leg trip (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| July 1968 | Day 15 | Mutsuarashi Yukio | Beltless armthrow | Maegashira 9 West vs Maegashira 5 West |
| November 1968 | Day 15 | Mutsuarashi Yukio | Frontal lift out | Maegashira 6 East vs Maegashira 4 West |
| January 1969 | Day 8 | Mutsuarashi Yukio | Frontal lift out | Maegashira 1 East vs Maegashira 3 East |
| March 1969 | Day 4 | Ryuko Seiho | Arm lock throw | Maegashira 9 West vs Maegashira 5 West |
| March 1970 | Day 15 | Mutsuarashi Yukio | Hooking backward counter-throw | Maegashira 4 West vs Komusubi 1 West |
| May 1970 | Day 12 | Mutsuarashi Yukio | Underarm throw | Komusubi 1 East vs Komusubi 1 West |
| July 1970 | Day 9 | Ryuko Seiho | Hand pull down | Maegashira 2 East vs Maegashira 3 East |
| September 1970 | Day 7 | Ryuko Seiho | Outside leg trip | Maegashira 10 East vs Maegashira 11 East |
| January 1971 | Day 11 | Mutsuarashi Yukio | Frontal lift out | Maegashira 1 East vs Maegashira 4 East |
| March 1971 | Day 2 | Ryuko Seiho | Frontal force out | Sekiwake 1 East vs Maegashira 1 West |
| July 1973 | Day 3 | Ryuko Seiho | Over arm throw | Maegashira 12 West vs Maegashira 10 West |
| September 1973 | Day 15 | Mutsuarashi Yukio | Frontal lift out | Maegashira 8 East vs Maegashira 5 West |
| November 1973 | Day 3 | Mutsuarashi Yukio | Frontal lift out | Maegashira 9 West vs Maegashira 7 West |
| January 1974 | Day 2 | Mutsuarashi Yukio | Frontal lift out | Maegashira 5 East vs Maegashira 8 West |
| March 1974 | Day 11 | Ryuko Seiho | Slap down | Maegashira 6 East vs Maegashira 7 East |
| May 1974 | Day 14 | Ryuko Seiho | Slap down | Maegashira 3 East vs Maegashira 10 East |
| July 1974 | Day 14 | Mutsuarashi Yukio | Frontal thrust out | Maegashira 10 West vs Maegashira 4 West |
| September 1974 | Day 5 | Ryuko Seiho | Over arm throw | Maegashira 9 West vs Maegashira 7 West |
| March 1975 | Day 15 | Ryuko Seiho | Slap down | Maegashira 8 East vs Maegashira 14 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.