Head-to-head · 17 bouts
Ichiyamamoto and Kotoshoho have met 17 times in recorded sumo. Ichiyamamoto leads 10–7.
Ichiyamamoto has won with: slap down (2), frontal push down (2), frontal force out (2), frontal push out (1), under shoulder swing down (1).
Kotoshoho has won with: frontal push down (2), frontal push out (2), arm lock throw (1), slap down (1), beltless armthrow (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| March 2019 | Day 12 | Ichiyamamoto | Frontal push out | Makushita 13 East vs Makushita 20 West |
| May 2021 | Day 15 | Ichiyamamoto | Slap down | Juryo 5 East vs Juryo 8 East |
| November 2021 | Day 11 | Ichiyamamoto | Under shoulder swing down | Juryo 6 East vs Juryo 4 West |
| March 2022 | Day 6 | Kotoshoho | Frontal push down | Maegashira 14 East vs Maegashira 17 West |
| May 2022 | Day 10 | Ichiyamamoto | Frontal thrust out | Maegashira 9 East vs Maegashira 15 West |
| July 2022 | Day 4 | Ichiyamamoto | Slap down | Maegashira 11 East vs Maegashira 13 East |
| September 2022 | Day 5 | Kotoshoho | Frontal push out | Maegashira 11 East vs Maegashira 13 East |
| November 2022 | Day 8 | Kotoshoho | Frontal push down | Maegashira 14 East vs Maegashira 11 West |
| January 2023 | Day 1 | Kotoshoho | Frontal push out | Maegashira 13 East vs Maegashira 14 East |
| March 2023 | Day 9 | Ichiyamamoto | Frontal push down | Maegashira 5 East vs Maegashira 8 East |
| March 2024 | Day 5 | Ichiyamamoto | Frontal push down | Maegashira 11 East vs Maegashira 9 West |
| July 2024 | Day 11 | Kotoshoho | Arm lock throw | Maegashira 7 East vs Maegashira 11 East |
| September 2025 | Day 5 | Ichiyamamoto | Frontal force out | Maegashira 5 East vs Maegashira 5 West |
| November 2025 | Day 11 | Ichiyamamoto | Hand pull down | Maegashira 8 East vs Maegashira 10 West |
| March 2026 | Day 3 | Kotoshoho | Slap down | Maegashira 6 East vs Maegashira 5 West |
| May 2026 | Day 3 | Kotoshoho | Beltless armthrow | Maegashira 2 West vs Sekiwake 1 West |
| July 2026 | Day 10 | Ichiyamamoto | Frontal force out | Maegashira 4 West vs Sekiwake 1 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.