Head-to-head · 15 bouts
Kotoshogiku Kazuhiro and Kaisei Ichiro have met 15 times in recorded sumo. Kotoshogiku Kazuhiro leads 13–2.
Kotoshogiku Kazuhiro has won with: frontal force out (8), over arm throw (3), thrust down (1), pulling over armthrow (1).
Kaisei Ichiro has won with: beltless armthrow (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 2012 | Day 3 | Kotoshogiku Kazuhiro | Over arm throw | Ozeki 2 East vs Maegashira 2 West |
| January 2013 | Day 9 | Kotoshogiku Kazuhiro | Thrust down | Maegashira 3 West vs Ozeki 2 West |
| March 2014 | Day 5 | Kotoshogiku Kazuhiro | Frontal force out | Maegashira 3 East vs Ozeki 1 West |
| July 2014 | Day 4 | Kotoshogiku Kazuhiro | Over arm throw | Maegashira 3 East vs Ozeki 1 West |
| July 2015 | Day 13 | Kotoshogiku Kazuhiro | Frontal force out | Ozeki 2 East vs Maegashira 3 West |
| January 2016 | Day 9 | Kotoshogiku Kazuhiro | Frontal force out | Ozeki 2 East vs Maegashira 3 West |
| May 2016 | Day 2 | Kotoshogiku Kazuhiro | Frontal force out | Ozeki 2 East vs Komusubi 1 East |
| July 2016 | Day 7 | Kaisei Ichiro | fusen | Sekiwake 1 East vs Ozeki 1 West |
| September 2016 | Day 8 | Kotoshogiku Kazuhiro | Over arm throw | Komusubi 1 East vs Ozeki 2 West |
| November 2016 | Day 1 | Kotoshogiku Kazuhiro | Pulling over armthrow | Ozeki 2 East vs Maegashira 2 East |
| May 2018 | Day 14 | Kotoshogiku Kazuhiro | Frontal force out | Maegashira 5 East vs Maegashira 1 West |
| January 2019 | Day 8 | Kaisei Ichiro | Beltless armthrow | Maegashira 4 East vs Maegashira 8 East |
| January 2020 | Day 5 | Kotoshogiku Kazuhiro | Frontal force out | Maegashira 13 East vs Maegashira 16 West |
| March 2020 | Day 2 | Kotoshogiku Kazuhiro | Frontal force out | Maegashira 13 East vs Maegashira 14 East |
| September 2020 | Day 1 | Kotoshogiku Kazuhiro | Frontal force out | Maegashira 12 West vs Maegashira 11 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.