Head-to-head · 18 bouts
Aogiyama Hideki and Kotoryu Hiroo have met 18 times in recorded sumo. they are level at 9–9.
Aogiyama Hideki has won with: frontal push out (4), hand pull down (3), slap down (1).
Kotoryu Hiroo has won with: thrust down (3), frontal push out (2), hand pull down (1), under shoulder swing down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| March 1991 | Day 12 | Aogiyama Hideki | — | Makushita 45 East vs Makushita 51 East |
| May 1995 | Day 15 | Aogiyama Hideki | Frontal push out | Juryo 13 West vs Juryo 5 West |
| November 1996 | Day 14 | Aogiyama Hideki | Hand pull down | Maegashira 10 East vs Maegashira 8 West |
| January 1997 | Day 5 | Aogiyama Hideki | Frontal push out | Maegashira 7 East vs Maegashira 11 West |
| May 1997 | Day 2 | Kotoryu Hiroo | Hand pull down | Maegashira 8 East vs Maegashira 6 West |
| November 1997 | Day 6 | Kotoryu Hiroo | Thrust down | Maegashira 10 East vs Maegashira 14 West |
| July 1998 | Day 10 | Aogiyama Hideki | Hand pull down | Maegashira 13 West vs Maegashira 8 West |
| September 1998 | Day 6 | Aogiyama Hideki | Hand pull down | Maegashira 4 East vs Maegashira 6 West |
| November 1998 | Day 2 | Aogiyama Hideki | Frontal push out | Maegashira 7 East vs Maegashira 11 East |
| January 1999 | Day 4 | Kotoryu Hiroo | Thrust down | Maegashira 5 West vs Maegashira 3 West |
| March 1999 | Day 7 | Aogiyama Hideki | Slap down | Maegashira 8 East vs Maegashira 10 West |
| May 1999 | Day 6 | Kotoryu Hiroo | Under shoulder swing down | Maegashira 8 West vs Maegashira 4 West |
| September 1999 | Day 5 | Kotoryu Hiroo | Frontal push out | Maegashira 10 West vs Maegashira 8 West |
| November 1999 | Day 5 | Kotoryu Hiroo | Thrust down | Maegashira 6 West vs Maegashira 4 West |
| January 2000 | Day 14 | Kotoryu Hiroo | fusen | Maegashira 6 West vs Maegashira 1 West |
| March 2002 | Day 14 | Kotoryu Hiroo | Rear push out | Juryo 7 East vs Juryo 1 West |
| May 2003 | Day 6 | Aogiyama Hideki | Frontal push out | Maegashira 10 East vs Maegashira 12 West |
| July 2003 | Day 13 | Kotoryu Hiroo | Frontal push out | Maegashira 14 West vs Maegashira 5 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.