Head-to-head · 21 bouts
Sadanoumi and Kyokushuho Koki have met 21 times in recorded sumo. Kyokushuho Koki leads 12–9.
Sadanoumi has won with: frontal force out (7), thigh grabbing push down (1), frontal crush out (1).
Kyokushuho Koki has won with: beltless armthrow (2), frontal force out (2), slap down (2), over arm throw (2), frontal crush out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| March 2009 | Day 9 | Kyokushuho Koki | Frontal crush out | Makushita 37 East vs Makushita 38 East |
| May 2010 | Day 11 | Kyokushuho Koki | Beltless armthrow | Makushita 5 East vs Makushita 32 East |
| March 2014 | Day 4 | Sadanoumi | Frontal force out | Juryo 1 East vs Juryo 4 West |
| May 2014 | Day 11 | Kyokushuho Koki | Frontal force out | Maegashira 15 East vs Maegashira 17 East |
| July 2014 | Day 10 | Sadanoumi | Frontal force out | Maegashira 11 East vs Maegashira 12 West |
| September 2014 | Day 5 | Kyokushuho Koki | Frontal force out | Maegashira 12 East vs Maegashira 15 East |
| January 2015 | Day 5 | Kyokushuho Koki | Arm lock throw | Maegashira 12 East vs Maegashira 8 West |
| May 2015 | Day 14 | Sadanoumi | Thigh grabbing push down | Maegashira 3 East vs Maegashira 11 West |
| November 2015 | Day 8 | Kyokushuho Koki | Thrust down | Maegashira 7 West vs Maegashira 5 West |
| January 2016 | Day 13 | Kyokushuho Koki | Slap down | Maegashira 4 East vs Maegashira 9 East |
| March 2016 | Day 9 | Sadanoumi | Frontal crush out | Maegashira 5 East vs Maegashira 9 West |
| September 2016 | Day 8 | Sadanoumi | Frontal force out | Maegashira 15 West vs Maegashira 10 West |
| November 2016 | Day 12 | Kyokushuho Koki | Over arm throw | Maegashira 8 East vs Maegashira 11 East |
| March 2017 | Day 7 | Sadanoumi | Frontal force out | Maegashira 12 East vs Maegashira 14 West |
| May 2017 | Day 3 | Kyokushuho Koki | Slap down | Juryo 1 East vs Juryo 2 West |
| November 2017 | Day 6 | Kyokushuho Koki | Hand pull down | Juryo 2 East vs Juryo 5 East |
| January 2018 | Day 9 | Sadanoumi | Frontal force out | Juryo 4 East vs Juryo 7 East |
| March 2018 | Day 3 | Sadanoumi | Frontal force out | Juryo 4 East vs Juryo 2 West |
| March 2021 | Day 2 | Sadanoumi | Frontal force out | Juryo 5 West vs Juryo 4 West |
| May 2021 | Day 3 | Kyokushuho Koki | Beltless armthrow | Juryo 7 West vs Juryo 6 West |
| July 2021 | Day 5 | Kyokushuho Koki | Over arm throw | Juryo 10 West vs Juryo 8 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.