Head-to-head · 14 bouts
Gagamaru Masaru and Kaisei Ichiro have met 14 times in recorded sumo. they are level at 7–7.
Gagamaru Masaru has won with: frontal push out (5), frontal force out (2).
Kaisei Ichiro has won with: frontal force out (4), beltless armthrow (1), thrust down (1), over arm throw (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| May 2011 | Day 8 | Kaisei Ichiro | Beltless armthrow | Maegashira 14 East vs Maegashira 16 West |
| July 2011 | Day 9 | Kaisei Ichiro | Frontal force out | Maegashira 5 East vs Maegashira 7 West |
| January 2012 | Day 11 | Gagamaru Masaru | Frontal push out | Maegashira 16 East vs Maegashira 10 West |
| July 2012 | Day 12 | Gagamaru Masaru | Frontal force out | Maegashira 7 East vs Maegashira 8 West |
| January 2013 | Day 5 | Kaisei Ichiro | Thrust down | Maegashira 4 East vs Maegashira 3 West |
| March 2013 | Day 6 | Gagamaru Masaru | Frontal push out | Maegashira 6 East vs Maegashira 5 West |
| May 2013 | Day 9 | Gagamaru Masaru | Frontal push out | Maegashira 14 East vs Maegashira 11 West |
| January 2014 | Day 15 | Kaisei Ichiro | Frontal force out | Maegashira 12 East vs Maegashira 6 West |
| March 2015 | Day 13 | Gagamaru Masaru | Frontal push out | Maegashira 15 West vs Maegashira 6 West |
| September 2015 | Day 8 | Gagamaru Masaru | Frontal push out | Maegashira 9 East vs Maegashira 5 West |
| November 2015 | Day 14 | Kaisei Ichiro | Frontal force out | Maegashira 7 East vs Maegashira 11 East |
| January 2017 | Day 15 | Kaisei Ichiro | Frontal force out | Maegashira 9 East vs Maegashira 13 East |
| July 2017 | Day 5 | Kaisei Ichiro | Over arm throw | Maegashira 16 East vs Juryo 1 East |
| September 2019 | Day 2 | Gagamaru Masaru | Frontal force out | Juryo 8 East vs Juryo 10 East |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.