Head-to-head · 20 bouts
Okinoumi Ayumi and Chiyotairyu Hidemasa have met 20 times in recorded sumo. Chiyotairyu Hidemasa leads 12–8.
Okinoumi Ayumi has won with: frontal force out (3), frontal push out (3), over arm throw (1), slap down (1).
Chiyotairyu Hidemasa has won with: frontal push out (7), frontal thrust out (2), hand pull down (2), thrust down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| September 2012 | Day 14 | Okinoumi Ayumi | Frontal force out | Maegashira 12 East vs Maegashira 8 West |
| January 2013 | Day 6 | Okinoumi Ayumi | Frontal push out | Maegashira 10 West vs Maegashira 8 West |
| July 2013 | Day 10 | Okinoumi Ayumi | Frontal force out | Maegashira 3 East vs Maegashira 6 West |
| September 2013 | Day 5 | Chiyotairyu Hidemasa | Frontal push out | Maegashira 2 East vs Maegashira 3 West |
| November 2013 | Day 14 | Chiyotairyu Hidemasa | Frontal push out | Maegashira 6 East vs Komusubi 1 West |
| January 2014 | Day 5 | Okinoumi Ayumi | Frontal push out | Maegashira 2 East vs Maegashira 1 West |
| November 2014 | Day 5 | Chiyotairyu Hidemasa | Frontal push out | Maegashira 7 East vs Maegashira 9 East |
| January 2016 | Day 9 | Chiyotairyu Hidemasa | Frontal thrust out | Maegashira 12 East vs Maegashira 6 West |
| July 2017 | Day 1 | Chiyotairyu Hidemasa | Frontal push out | Maegashira 10 East vs Maegashira 9 West |
| January 2018 | Day 9 | Chiyotairyu Hidemasa | Thrust down | Maegashira 3 East vs Maegashira 5 East |
| January 2019 | Day 5 | Okinoumi Ayumi | Over arm throw | Maegashira 6 East vs Maegashira 4 West |
| March 2019 | Day 5 | Chiyotairyu Hidemasa | Frontal push out | Maegashira 5 East vs Maegashira 6 East |
| May 2019 | Day 13 | Chiyotairyu Hidemasa | Frontal push out | Maegashira 3 East vs Maegashira 4 East |
| July 2019 | Day 9 | Chiyotairyu Hidemasa | Frontal push out | Maegashira 6 East vs Maegashira 8 West |
| May 2021 | Day 12 | Chiyotairyu Hidemasa | Hand pull down | Maegashira 14 West vs Maegashira 12 West |
| July 2021 | Day 1 | Okinoumi Ayumi | Frontal push out | Maegashira 5 East vs Maegashira 4 West |
| September 2021 | Day 8 | Okinoumi Ayumi | Frontal force out | Maegashira 8 East vs Maegashira 10 East |
| July 2022 | Day 8 | Chiyotairyu Hidemasa | Frontal thrust out | Maegashira 7 East vs Maegashira 10 East |
| September 2022 | Day 1 | Chiyotairyu Hidemasa | Hand pull down | Maegashira 12 East vs Maegashira 11 West |
| November 2022 | Day 3 | Okinoumi Ayumi | Slap down | Maegashira 13 East vs Maegashira 12 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.