Head-to-head · 14 bouts
Ryuo Yuki and Fukunohana Koichi have met 14 times in recorded sumo. Fukunohana Koichi leads 10–4.
Ryuo Yuki has won with: frontal push out (3), thrust down (1).
Fukunohana Koichi has won with: frontal force out (4), hand pull down (3), frontal thrust out (1), frontal thrust down (1), slap down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 1970 | Day 9 | Fukunohana Koichi | Frontal force out | Maegashira 12 East vs Maegashira 4 West |
| September 1971 | Day 2 | Ryuo Yuki | Frontal push out | Maegashira 6 West vs Maegashira 5 West |
| January 1972 | Day 9 | Fukunohana Koichi | Hand pull down | Maegashira 3 East vs Maegashira 3 West |
| May 1972 | Day 7 | Fukunohana Koichi | Frontal thrust out | Maegashira 3 East vs Komusubi 1 West |
| July 1972 | Day 14 | Ryuo Yuki | Frontal push out | Maegashira 5 West vs Maegashira 2 West |
| November 1972 | Day 7 | Fukunohana Koichi | Frontal thrust down | Maegashira 14 East vs Maegashira 7 West |
| March 1973 | Day 15 | Fukunohana Koichi | Hand pull down | Maegashira 6 East vs Maegashira 7 West |
| November 1973 | Day 1 | Fukunohana Koichi | Slap down | Maegashira 11 East vs Maegashira 10 West |
| January 1974 | Day 12 | Fukunohana Koichi | Frontal force out | Maegashira 9 East vs Maegashira 10 East |
| March 1974 | Day 13 | Ryuo Yuki | Thrust down | Maegashira 11 East vs Maegashira 4 West |
| May 1974 | Day 11 | Fukunohana Koichi | Frontal force out | Maegashira 8 West vs Maegashira 7 West |
| September 1974 | Day 5 | Ryuo Yuki | Frontal push out | Maegashira 7 East vs Maegashira 11 East |
| November 1974 | Day 1 | Fukunohana Koichi | Hand pull down | Maegashira 10 East vs Maegashira 10 West |
| July 1975 | Day 6 | Fukunohana Koichi | Frontal force out | Maegashira 10 East vs Maegashira 7 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.