Head-to-head · 22 bouts
Sadanoumi and Kaisei Ichiro have met 22 times in recorded sumo. Sadanoumi leads 12–10.
Sadanoumi has won with: frontal force out (5), over arm throw (2), thrust down (2), arm bar throw (1), pulling over armthrow (1).
Kaisei Ichiro has won with: frontal force out (5), beltless armthrow (2), frontal push out (2), frontal push down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| September 2008 | Day 9 | Kaisei Ichiro | Frontal force out | Makushita 20 East vs Makushita 29 West |
| January 2010 | Day 11 | Sadanoumi | Frontal force out | Makushita 10 East vs Makushita 29 East |
| July 2010 | Day 4 | Kaisei Ichiro | Frontal push down | Juryo 12 East vs Juryo 14 West |
| September 2010 | Day 3 | Sadanoumi | Over arm throw | Juryo 4 East vs Juryo 5 West |
| November 2010 | Day 11 | Kaisei Ichiro | Beltless armthrow | Juryo 6 East vs Juryo 9 West |
| January 2011 | Day 10 | Sadanoumi | Over arm throw | Juryo 1 East vs Juryo 7 East |
| September 2014 | Day 15 | Kaisei Ichiro | Frontal push out | Maegashira 12 East vs Maegashira 6 West |
| November 2014 | Day 5 | Kaisei Ichiro | Frontal force out | Maegashira 4 East vs Maegashira 7 West |
| September 2015 | Day 4 | Sadanoumi | Arm bar throw | Maegashira 3 East vs Maegashira 5 West |
| November 2015 | Day 5 | Sadanoumi | Thrust down | Maegashira 7 East vs Maegashira 5 West |
| March 2016 | Day 3 | Kaisei Ichiro | Frontal push out | Maegashira 9 West vs Maegashira 7 West |
| January 2017 | Day 13 | Kaisei Ichiro | Beltless armthrow | Maegashira 9 East vs Maegashira 15 West |
| May 2017 | Day 13 | Kaisei Ichiro | Frontal force out | Juryo 1 East vs Maegashira 15 West |
| September 2017 | Day 10 | Kaisei Ichiro | Frontal force out | Maegashira 13 West vs Maegashira 12 West |
| January 2019 | Day 6 | Sadanoumi | Frontal force out | Maegashira 8 East vs Maegashira 11 East |
| July 2019 | Day 9 | Sadanoumi | Frontal force out | Maegashira 15 West vs Maegashira 13 West |
| January 2020 | Day 13 | Kaisei Ichiro | Frontal force out | Maegashira 10 East vs Maegashira 16 West |
| July 2020 | Day 12 | Sadanoumi | Pulling over armthrow | Maegashira 10 East vs Maegashira 12 East |
| September 2020 | Day 13 | Sadanoumi | Thrust down | Maegashira 10 East vs Maegashira 12 West |
| November 2020 | Day 13 | Sadanoumi | Frontal force out | Maegashira 11 East vs Maegashira 12 West |
| November 2021 | Day 2 | Sadanoumi | Frontal force out | Maegashira 17 East vs Maegashira 16 West |
| January 2022 | Day 11 | Sadanoumi | Frontal crush out | Maegashira 11 East vs Maegashira 17 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.