Head-to-head · 23 bouts
Aoiyama Kosuke and Kaisei Ichiro have met 23 times in recorded sumo. Aoiyama Kosuke leads 15–8.
Aoiyama Kosuke has won with: frontal push out (6), thrust down (2), hand pull down (2), under shoulder swing down (2), minor inner foot sweep (1).
Kaisei Ichiro has won with: frontal push out (3), frontal force out (2), slap down (1), beltless armthrow (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 2011 | Day 6 | Aoiyama Kosuke | Minor inner foot sweep | Maegashira 14 East vs Maegashira 16 East |
| January 2012 | Day 15 | Kaisei Ichiro | Frontal force out | Maegashira 16 East vs Maegashira 7 West |
| May 2012 | Day 10 | Aoiyama Kosuke | Thrust down | Maegashira 12 East vs Maegashira 6 West |
| September 2012 | Day 8 | Aoiyama Kosuke | Hand pull down | Komusubi 1 East vs Maegashira 1 West |
| January 2013 | Day 12 | Kaisei Ichiro | Frontal push out | Maegashira 6 West vs Maegashira 3 West |
| March 2013 | Day 4 | Aoiyama Kosuke | Thrust down | Maegashira 8 East vs Maegashira 5 West |
| July 2013 | Day 6 | Aoiyama Kosuke | Under shoulder swing down | Maegashira 9 East vs Maegashira 12 East |
| November 2013 | Day 1 | Aoiyama Kosuke | Slap down | Maegashira 5 East vs Maegashira 5 West |
| May 2014 | Day 15 | Aoiyama Kosuke | Frontal push out | Maegashira 1 East vs Maegashira 6 East |
| July 2014 | Day 12 | Kaisei Ichiro | Slap down | Maegashira 3 East vs Komusubi 1 West |
| September 2014 | Day 6 | Kaisei Ichiro | Frontal push out | Maegashira 3 East vs Maegashira 6 West |
| May 2015 | Day 12 | Aoiyama Kosuke | Beltless armthrow | Maegashira 11 East vs Maegashira 6 West |
| July 2015 | Day 12 | Aoiyama Kosuke | Hand pull down | Maegashira 3 West vs Maegashira 2 West |
| September 2015 | Day 11 | Aoiyama Kosuke | Frontal push out | Maegashira 1 East vs Maegashira 5 West |
| January 2017 | Day 6 | Kaisei Ichiro | Beltless armthrow | Maegashira 9 East vs Maegashira 7 West |
| March 2017 | Day 6 | Aoiyama Kosuke | Under shoulder swing down | Maegashira 8 East vs Maegashira 6 West |
| November 2017 | Day 3 | Kaisei Ichiro | fusen | Maegashira 10 East vs Maegashira 11 East |
| January 2019 | Day 10 | Aoiyama Kosuke | Frontal push out | Maegashira 5 East vs Maegashira 8 East |
| March 2020 | Day 1 | Aoiyama Kosuke | Frontal push out | Maegashira 14 East vs Maegashira 13 West |
| September 2020 | Day 14 | Kaisei Ichiro | Frontal push out | Maegashira 12 West vs Maegashira 7 West |
| November 2020 | Day 10 | Kaisei Ichiro | Frontal force out | Maegashira 8 East vs Maegashira 12 West |
| July 2021 | Day 15 | Aoiyama Kosuke | Frontal push out | Maegashira 11 East vs Maegashira 8 West |
| January 2022 | Day 7 | Aoiyama Kosuke | Frontal push out | Maegashira 16 East vs Maegashira 17 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.