Head-to-head · 17 bouts
Kotoeko Mitsunori and Chiyomaru have met 17 times in recorded sumo. Chiyomaru leads 9–8.
Kotoeko Mitsunori has won with: frontal thrust out (3), frontal push out (2), frontal force out (2), hand pull down (1).
Chiyomaru has won with: slap down (2), frontal push out (2), thrust down (2), hand pull down (2), frontal push down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 2015 | Day 15 | Chiyomaru | Slap down | Juryo 14 East vs Makushita 3 East |
| September 2016 | Day 12 | Kotoeko Mitsunori | Frontal push out | Juryo 5 East vs Juryo 10 East |
| November 2016 | Day 2 | Chiyomaru | Frontal push out | Juryo 1 East vs Juryo 2 East |
| March 2017 | Day 3 | Chiyomaru | Thrust down | Juryo 4 East vs Juryo 5 East |
| May 2017 | Day 15 | Chiyomaru | Frontal push down | Juryo 2 East vs Juryo 9 West |
| November 2018 | Day 10 | Kotoeko Mitsunori | Frontal thrust out | Juryo 1 West vs Maegashira 16 West |
| May 2019 | Day 11 | Chiyomaru | Hand pull down | Maegashira 13 East vs Maegashira 15 West |
| January 2020 | Day 2 | Kotoeko Mitsunori | Frontal push out | Maegashira 13 West vs Maegashira 12 West |
| March 2021 | Day 13 | Kotoeko Mitsunori | Hand pull down | Maegashira 14 East vs Juryo 3 East |
| May 2021 | Day 4 | Chiyomaru | Thrust down | Maegashira 12 East vs Maegashira 16 West |
| July 2021 | Day 14 | Chiyomaru | Slap down | Maegashira 4 East vs Maegashira 13 East |
| September 2021 | Day 4 | Kotoeko Mitsunori | Frontal thrust out | Maegashira 16 East vs Maegashira 11 West |
| November 2021 | Day 12 | Chiyomaru | Hand pull down | Maegashira 8 East vs Maegashira 15 East |
| January 2022 | Day 10 | Chiyomaru | Frontal push out | Maegashira 13 East vs Maegashira 17 East |
| March 2022 | Day 4 | Kotoeko Mitsunori | Frontal force out | Maegashira 12 East vs Maegashira 13 East |
| January 2023 | Day 5 | Kotoeko Mitsunori | Frontal thrust out | Maegashira 16 West vs Maegashira 13 West |
| January 2024 | Day 14 | Kotoeko Mitsunori | Frontal force out | Juryo 12 East vs Juryo 4 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.