Head-to-head · 20 bouts
Harumafuji Kohei and Okinoumi Ayumi have met 20 times in recorded sumo. Harumafuji Kohei leads 14–6.
Harumafuji Kohei has won with: frontal force out (6), over arm throw (3), underarm throw (3), frontal crush out (1), thrust down (1).
Okinoumi Ayumi has won with: frontal crush out (2), thrust down (1), arm lock throw (1), underarm throw (1), frontal push out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| May 2011 | Day 7 | Okinoumi Ayumi | Frontal crush out | Maegashira 4 East vs Ozeki 2 West |
| July 2011 | Day 8 | Harumafuji Kohei | Over arm throw | Maegashira 4 East vs Ozeki 1 West |
| September 2011 | Day 2 | Okinoumi Ayumi | Thrust down | Ozeki 1 East vs Maegashira 1 West |
| November 2011 | Day 1 | Harumafuji Kohei | Frontal crush out | Maegashira 1 East vs Ozeki 1 West |
| January 2012 | Day 1 | Harumafuji Kohei | Underarm throw | Maegashira 2 East vs Ozeki 2 West |
| July 2012 | Day 5 | Harumafuji Kohei | Frontal force out | Maegashira 2 West vs Ozeki 2 West |
| September 2012 | Day 11 | Harumafuji Kohei | Over arm throw | Ozeki 1 East vs Maegashira 8 West |
| November 2012 | Day 2 | Okinoumi Ayumi | Arm lock throw | Maegashira 1 East vs Yokozuna 1 West |
| May 2013 | Day 1 | Harumafuji Kohei | Frontal force out | Komusubi 1 West vs Yokozuna 1 West |
| September 2013 | Day 6 | Harumafuji Kohei | Frontal force out | Maegashira 2 East vs Yokozuna 1 West |
| November 2013 | Day 6 | Harumafuji Kohei | Frontal force out | Komusubi 1 West vs Yokozuna 1 West |
| March 2014 | Day 5 | Harumafuji Kohei | Thrust down | Maegashira 2 East vs Yokozuna 1 West |
| November 2015 | Day 5 | Harumafuji Kohei | Underarm throw | Yokozuna 2 East vs Maegashira 2 West |
| March 2016 | Day 2 | Harumafuji Kohei | Over arm throw | Yokozuna 1 East vs Maegashira 2 East |
| May 2016 | Day 9 | Okinoumi Ayumi | Underarm throw | Yokozuna 2 East vs Komusubi 1 West |
| July 2016 | Day 3 | Okinoumi Ayumi | Frontal push out | Yokozuna 2 East vs Maegashira 2 East |
| September 2016 | Day 3 | Okinoumi Ayumi | Frontal crush out | Yokozuna 1 East vs Maegashira 1 East |
| November 2016 | Day 9 | Harumafuji Kohei | Frontal force out | Yokozuna 1 East vs Sekiwake 1 West |
| January 2017 | Day 5 | Harumafuji Kohei | Underarm throw | Maegashira 3 East vs Yokozuna 1 West |
| May 2017 | Day 3 | Harumafuji Kohei | Frontal force out | Yokozuna 2 East vs Maegashira 2 East |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.