Head-to-head · 25 bouts
Gagamaru Masaru and Kyokushuho Koki have met 25 times in recorded sumo. Kyokushuho Koki leads 14–11.
Gagamaru Masaru has won with: frontal force out (6), frontal push out (4), arm lock throw (1).
Kyokushuho Koki has won with: frontal force out (4), underarm throw (3), slap down (3), inside leg trip (1), hooking backward counter-throw (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| May 2008 | Day 3 | Kyokushuho Koki | Inside leg trip | Makushita 35 East vs Makushita 35 West |
| September 2008 | Day 10 | Kyokushuho Koki | Hooking backward counter-throw | Makushita 43 West vs Makushita 42 West |
| May 2013 | Day 8 | Kyokushuho Koki | Underarm throw | Maegashira 12 West vs Maegashira 11 West |
| November 2013 | Day 2 | Kyokushuho Koki | Underarm throw | Maegashira 14 East vs Maegashira 13 West |
| January 2014 | Day 3 | Gagamaru Masaru | Arm lock throw | Maegashira 12 East vs Maegashira 13 East |
| May 2014 | Day 2 | Kyokushuho Koki | Frontal force out | Maegashira 14 East vs Maegashira 15 East |
| July 2014 | Day 5 | Gagamaru Masaru | Frontal force out | Maegashira 15 East vs Maegashira 12 West |
| March 2015 | Day 9 | Gagamaru Masaru | Frontal force out | Maegashira 10 East vs Maegashira 15 West |
| July 2015 | Day 2 | Kyokushuho Koki | Slap down | Maegashira 6 East vs Maegashira 6 West |
| September 2015 | Day 2 | Kyokushuho Koki | Frontal force out | Maegashira 9 East vs Maegashira 10 West |
| July 2016 | Day 12 | Kyokushuho Koki | Frontal force out | Juryo 1 East vs Juryo 6 East |
| September 2016 | Day 10 | Gagamaru Masaru | Frontal push out | Maegashira 12 East vs Maegashira 15 West |
| November 2016 | Day 9 | Gagamaru Masaru | Frontal force out | Maegashira 11 East vs Maegashira 16 East |
| March 2017 | Day 12 | Kyokushuho Koki | Underarm throw | Juryo 2 East vs Maegashira 14 West |
| May 2017 | Day 6 | Kyokushuho Koki | Slap down | Juryo 3 East vs Juryo 2 West |
| September 2017 | Day 6 | Kyokushuho Koki | Beltless armthrow | Juryo 6 East vs Juryo 7 West |
| March 2018 | Day 7 | Gagamaru Masaru | Frontal force out | Juryo 5 East vs Juryo 2 West |
| May 2018 | Day 6 | Gagamaru Masaru | Frontal push out | Juryo 3 East vs Juryo 2 West |
| September 2018 | Day 11 | Gagamaru Masaru | Frontal push out | Juryo 12 East vs Juryo 4 West |
| January 2019 | Day 6 | Gagamaru Masaru | Frontal force out | Juryo 13 East vs Juryo 14 East |
| March 2019 | Day 8 | Gagamaru Masaru | Frontal push out | Juryo 6 East vs Juryo 8 East |
| May 2019 | Day 10 | Gagamaru Masaru | Frontal force out | Juryo 3 East vs Juryo 7 East |
| July 2019 | Day 7 | Kyokushuho Koki | Frontal force out | Juryo 5 East vs Juryo 2 West |
| September 2019 | Day 6 | Kyokushuho Koki | Slap down | Juryo 7 East vs Juryo 10 East |
| November 2019 | Day 10 | Kyokushuho Koki | Over arm throw | Juryo 8 East vs Juryo 12 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.