Head-to-head · 12 bouts
Chiyomaru and Kaisei Ichiro have met 12 times in recorded sumo. they are level at 6–6.
Chiyomaru has won with: frontal push out (2), frontal force out (1), hand pull down (1), rear push down (1), frontal push down (1).
Kaisei Ichiro has won with: frontal push out (4), frontal force out (2).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| May 2015 | Day 5 | Kaisei Ichiro | Frontal push out | Maegashira 11 East vs Maegashira 13 West |
| September 2017 | Day 7 | Chiyomaru | Frontal force out | Maegashira 13 West vs Maegashira 11 West |
| November 2017 | Day 7 | Kaisei Ichiro | Frontal force out | Maegashira 10 East vs Maegashira 8 West |
| January 2018 | Day 4 | Chiyomaru | Hand pull down | Maegashira 9 West vs Maegashira 8 West |
| March 2018 | Day 5 | Kaisei Ichiro | Frontal force out | Maegashira 5 East vs Maegashira 6 East |
| July 2019 | Day 5 | Chiyomaru | Frontal push out | Maegashira 13 East vs Maegashira 15 West |
| September 2019 | Day 12 | Kaisei Ichiro | Frontal push out | Juryo 1 East vs Juryo 8 East |
| May 2021 | Day 3 | Chiyomaru | Rear push down | Maegashira 15 East vs Maegashira 16 West |
| July 2021 | Day 5 | Chiyomaru | Frontal push out | Maegashira 11 East vs Maegashira 13 East |
| September 2021 | Day 8 | Chiyomaru | Frontal push down | Maegashira 14 East vs Maegashira 16 East |
| November 2021 | Day 6 | Kaisei Ichiro | Frontal push out | Maegashira 15 East vs Maegashira 17 East |
| January 2022 | Day 9 | Kaisei Ichiro | Frontal push out | Maegashira 13 East vs Maegashira 17 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.