Head-to-head · 18 bouts
Aoiyama Kosuke and Harumafuji Kohei have met 18 times in recorded sumo. Harumafuji Kohei leads 15–3.
Aoiyama Kosuke has won with: slap down (2), frontal push out (1).
Harumafuji Kohei has won with: frontal force out (7), frontal push out (2), pulling over armthrow (2), over arm throw (1), toe pick (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| July 2012 | Day 1 | Harumafuji Kohei | Frontal push out | Maegashira 2 East vs Ozeki 2 West |
| September 2012 | Day 1 | Harumafuji Kohei | Frontal force out | Ozeki 1 East vs Komusubi 1 East |
| May 2013 | Day 7 | Harumafuji Kohei | Pulling over armthrow | Maegashira 4 East vs Yokozuna 1 West |
| September 2013 | Day 4 | Aoiyama Kosuke | Frontal push out | Maegashira 2 West vs Yokozuna 1 West |
| November 2013 | Day 10 | Harumafuji Kohei | Over arm throw | Maegashira 5 East vs Yokozuna 1 West |
| May 2014 | Day 2 | Harumafuji Kohei | Frontal force out | Maegashira 1 East vs Yokozuna 1 West |
| July 2014 | Day 1 | Harumafuji Kohei | Frontal push out | Komusubi 1 West vs Yokozuna 1 West |
| November 2014 | Day 11 | Aoiyama Kosuke | Slap down | Yokozuna 2 East vs Sekiwake 1 East |
| January 2015 | Day 11 | Aoiyama Kosuke | Slap down | Yokozuna 2 East vs Sekiwake 1 East |
| March 2015 | Day 6 | Harumafuji Kohei | Frontal force out | Maegashira 3 West vs Yokozuna 1 West |
| November 2015 | Day 3 | Harumafuji Kohei | Toe pick | Yokozuna 2 East vs Maegashira 2 East |
| January 2016 | Day 3 | Harumafuji Kohei | Frontal force out | Yokozuna 1 East vs Maegashira 2 West |
| March 2016 | Day 7 | Harumafuji Kohei | Frontal force out | Yokozuna 1 East vs Maegashira 3 East |
| May 2016 | Day 5 | Harumafuji Kohei | Frontal force out | Yokozuna 2 East vs Maegashira 3 East |
| September 2016 | Day 10 | Harumafuji Kohei | Frontal crush out | Yokozuna 1 East vs Maegashira 5 East |
| November 2016 | Day 4 | Harumafuji Kohei | Inadvertent collapse | Yokozuna 1 East vs Maegashira 1 West |
| May 2017 | Day 6 | Harumafuji Kohei | Frontal force out | Yokozuna 2 East vs Maegashira 3 West |
| September 2017 | Day 8 | Harumafuji Kohei | Pulling over armthrow | 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.