Head-to-head · 14 bouts
Chiyomaru and Kyokushuho Koki have met 14 times in recorded sumo. Kyokushuho Koki leads 9–5.
Chiyomaru has won with: hand pull down (3), frontal thrust out (1), frontal force out (1).
Kyokushuho Koki has won with: frontal force out (6), over arm throw (3).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| July 2007 | Day 2 | Kyokushuho Koki | Frontal force out | Jonokuchi 36 East vs Jonokuchi 35 West |
| July 2014 | Day 9 | Chiyomaru | Hand pull down | Maegashira 16 West vs Maegashira 12 West |
| September 2014 | Day 13 | Kyokushuho Koki | Frontal force out | Maegashira 11 East vs Maegashira 15 East |
| November 2014 | Day 5 | Chiyomaru | Hand pull down | Maegashira 16 West vs Maegashira 15 West |
| March 2015 | Day 14 | Kyokushuho Koki | Frontal force out | Maegashira 10 East vs Maegashira 16 West |
| May 2015 | Day 15 | Kyokushuho Koki | Frontal force out | Maegashira 13 West vs Maegashira 11 West |
| July 2016 | Day 15 | Kyokushuho Koki | Frontal force out | Juryo 6 East vs Juryo 9 East |
| January 2017 | Day 6 | Chiyomaru | Hand pull down | Juryo 2 East vs Juryo 3 West |
| May 2017 | Day 1 | Kyokushuho Koki | Frontal force out | Juryo 2 East vs Juryo 2 West |
| January 2019 | Day 13 | Kyokushuho Koki | Over arm throw | Juryo 13 East vs Juryo 6 West |
| March 2019 | Day 12 | Kyokushuho Koki | Over arm throw | Juryo 6 East vs Juryo 1 West |
| September 2019 | Day 13 | Chiyomaru | Frontal thrust out | Juryo 1 East vs Juryo 7 East |
| July 2020 | Day 7 | Chiyomaru | Frontal force out | Juryo 3 West vs Maegashira 15 West |
| March 2021 | Day 9 | Kyokushuho Koki | Over arm throw | Juryo 3 East vs Juryo 5 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.