Head-to-head · 26 bouts
Kotoshogiku Kazuhiro and Okinoumi Ayumi have met 26 times in recorded sumo. Kotoshogiku Kazuhiro leads 16–10.
Kotoshogiku Kazuhiro has won with: frontal force out (13), thigh grabbing push down (2), arm barring force out (1).
Okinoumi Ayumi has won with: arm lock throw (3), thrust down (2), frontal force out (2), arm locking twist down (1), slap down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| May 2011 | Day 3 | Kotoshogiku Kazuhiro | Frontal force out | Sekiwake 1 East vs Maegashira 4 East |
| July 2011 | Day 13 | Okinoumi Ayumi | Arm lock throw | Sekiwake 1 East vs Maegashira 4 East |
| September 2011 | Day 7 | Kotoshogiku Kazuhiro | Frontal force out | Sekiwake 1 East vs Maegashira 1 West |
| November 2011 | Day 5 | Kotoshogiku Kazuhiro | Frontal force out | Maegashira 1 East vs Ozeki 2 West |
| January 2012 | Day 3 | Kotoshogiku Kazuhiro | Frontal force out | Maegashira 2 East vs Ozeki 1 West |
| July 2012 | Day 4 | Kotoshogiku Kazuhiro | Frontal force out | Maegashira 2 West vs Ozeki 1 West |
| November 2012 | Day 4 | Kotoshogiku Kazuhiro | Frontal force out | Ozeki 2 East vs Maegashira 1 East |
| May 2013 | Day 2 | Kotoshogiku Kazuhiro | Frontal force out | Ozeki 2 East vs Komusubi 1 West |
| September 2013 | Day 1 | Kotoshogiku Kazuhiro | Arm barring force out | Ozeki 2 East vs Maegashira 2 East |
| January 2014 | Day 2 | Okinoumi Ayumi | Arm locking twist down | Ozeki 2 East vs Maegashira 1 West |
| March 2014 | Day 6 | Kotoshogiku Kazuhiro | Frontal force out | Maegashira 2 East vs Ozeki 1 West |
| September 2015 | Day 4 | Kotoshogiku Kazuhiro | Thigh grabbing push down | Komusubi 1 West vs Ozeki 2 West |
| November 2015 | Day 9 | Okinoumi Ayumi | Thrust down | Ozeki 2 East vs Maegashira 2 West |
| March 2016 | Day 5 | Okinoumi Ayumi | Slap down | Ozeki 1 East vs Maegashira 2 East |
| May 2016 | Day 5 | Kotoshogiku Kazuhiro | Frontal force out | Ozeki 2 East vs Komusubi 1 West |
| July 2016 | Day 6 | Okinoumi Ayumi | Thrust down | Maegashira 2 East vs Ozeki 1 West |
| September 2016 | Day 6 | Okinoumi Ayumi | Arm lock throw | Maegashira 1 East vs Ozeki 2 West |
| November 2016 | Day 6 | Kotoshogiku Kazuhiro | Thigh grabbing push down | Ozeki 2 East vs Sekiwake 1 West |
| January 2017 | Day 2 | Okinoumi Ayumi | Arm lock throw | Maegashira 3 East vs Ozeki 2 West |
| May 2017 | Day 13 | Kotoshogiku Kazuhiro | Frontal force out | Sekiwake 2 East vs Maegashira 2 East |
| November 2018 | Day 14 | Kotoshogiku Kazuhiro | Frontal force out | Maegashira 9 East vs Maegashira 11 West |
| January 2019 | Day 1 | Kotoshogiku Kazuhiro | Frontal force out | Maegashira 4 East vs Maegashira 4 West |
| March 2019 | Day 8 | Okinoumi Ayumi | Frontal force out | Maegashira 6 East vs Maegashira 8 West |
| May 2019 | Day 15 | Kotoshogiku Kazuhiro | Frontal force out | Maegashira 4 East vs Maegashira 1 West |
| September 2019 | Day 1 | Okinoumi Ayumi | Frontal force out | Maegashira 7 East vs Maegashira 8 East |
| March 2020 | Day 15 | Okinoumi Ayumi | Over arm throw | Maegashira 2 East vs Maegashira 13 East |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.