Head-to-head · 14 bouts
Chiyonokuni Toshiki and Kaisei Ichiro have met 14 times in recorded sumo. Kaisei Ichiro leads 9–5.
Chiyonokuni Toshiki has won with: frontal force out (1), slap down (1), thrust down (1), hooking inner thigh throw (1), hand pull down (1).
Kaisei Ichiro has won with: frontal force out (5), frontal push down (2), thrust down (1), frontal push out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 2006 | Day 13 | Kaisei Ichiro | Frontal push down | Jonokuchi 26 East vs Jonokuchi 35 West |
| January 2012 | Day 8 | Chiyonokuni Toshiki | Frontal force out | Maegashira 13 East vs Maegashira 16 East |
| May 2013 | Day 4 | Kaisei Ichiro | Frontal force out | Maegashira 14 East vs Maegashira 15 East |
| July 2013 | Day 3 | Kaisei Ichiro | Frontal force out | Maegashira 12 East vs Maegashira 10 West |
| November 2016 | Day 6 | Chiyonokuni Toshiki | Slap down | Maegashira 2 East vs Maegashira 4 West |
| January 2017 | Day 1 | Kaisei Ichiro | Frontal push down | Maegashira 9 East vs Maegashira 8 West |
| September 2017 | Day 14 | Chiyonokuni Toshiki | Thrust down | Maegashira 7 East vs Maegashira 13 West |
| January 2018 | Day 2 | Kaisei Ichiro | Frontal force out | Maegashira 8 West vs Maegashira 7 West |
| July 2018 | Day 7 | Kaisei Ichiro | Thrust down | Maegashira 4 East vs Maegashira 2 West |
| September 2018 | Day 13 | Kaisei Ichiro | Frontal force out | Maegashira 4 East vs Maegashira 1 West |
| November 2020 | Day 4 | Chiyonokuni Toshiki | Hooking inner thigh throw | Maegashira 14 East vs Maegashira 12 West |
| September 2021 | Day 5 | Chiyonokuni Toshiki | Hand pull down | Maegashira 14 East vs Maegashira 17 East |
| November 2021 | Day 14 | Kaisei Ichiro | Frontal push out | Maegashira 17 East vs Maegashira 14 West |
| May 2022 | Day 12 | Kaisei Ichiro | Frontal force out | Juryo 2 East vs Juryo 9 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.