Head-to-head · 16 bouts
Aoiyama Kosuke and Kotoeko Mitsunori have met 16 times in recorded sumo. Aoiyama Kosuke leads 9–7.
Aoiyama Kosuke has won with: arm lock throw (3), frontal push out (2), slap down (2), frontal thrust out (1), rear push out (1).
Kotoeko Mitsunori has won with: frontal force out (3), frontal push out (3), thrust down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| January 2018 | Day 14 | Aoiyama Kosuke | Frontal push out | Juryo 10 West vs Juryo 2 West |
| September 2020 | Day 13 | Kotoeko Mitsunori | Frontal force out | Maegashira 10 West vs Maegashira 7 West |
| November 2020 | Day 11 | Aoiyama Kosuke | Slap down | Maegashira 8 East vs Maegashira 9 West |
| January 2021 | Day 1 | Kotoeko Mitsunori | Frontal push out | Maegashira 11 West vs Maegashira 10 West |
| March 2021 | Day 10 | Aoiyama Kosuke | Frontal push out | Maegashira 14 East vs Maegashira 12 West |
| September 2021 | Day 15 | Kotoeko Mitsunori | Frontal push out | Maegashira 9 East vs Maegashira 11 West |
| November 2021 | Day 3 | Aoiyama Kosuke | Frontal thrust out | Maegashira 8 East vs Maegashira 9 East |
| January 2022 | Day 1 | Kotoeko Mitsunori | Frontal force out | Maegashira 16 East vs Maegashira 17 East |
| May 2022 | Day 9 | Aoiyama Kosuke | Arm lock throw | Maegashira 11 East vs Maegashira 7 West |
| July 2022 | Day 9 | Kotoeko Mitsunori | Thrust down | Maegashira 6 East vs Maegashira 9 West |
| September 2022 | Day 8 | Kotoeko Mitsunori | Frontal push out | Maegashira 7 East vs Maegashira 9 West |
| November 2022 | Day 6 | Kotoeko Mitsunori | Frontal force out | Maegashira 10 East vs Maegashira 12 East |
| January 2023 | Day 12 | Aoiyama Kosuke | Arm lock throw | Maegashira 10 East vs Maegashira 13 West |
| May 2023 | Day 1 | Aoiyama Kosuke | Slap down | Maegashira 12 East vs Maegashira 12 West |
| September 2023 | Day 14 | Aoiyama Kosuke | Arm lock throw | Maegashira 8 East vs Maegashira 14 East |
| March 2024 | Day 1 | Aoiyama Kosuke | Rear push out | Juryo 12 East vs Juryo 11 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.