Head-to-head · 18 bouts
Kotoryu Hiroo and Tamakasuga Ryoji have met 18 times in recorded sumo. Tamakasuga Ryoji leads 10–8.
Kotoryu Hiroo has won with: frontal force out (6), frontal push down (1), under shoulder swing down (1).
Tamakasuga Ryoji has won with: frontal push out (6), hand pull down (3), frontal push down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| March 1995 | Day 14 | Tamakasuga Ryoji | Frontal push out | Makushita 1 West vs Juryo 12 West |
| May 1995 | Day 11 | Kotoryu Hiroo | Frontal force out | Juryo 13 West vs Juryo 9 West |
| July 1995 | Day 13 | Kotoryu Hiroo | Frontal force out | Juryo 7 East vs Juryo 9 West |
| November 1995 | Day 14 | Tamakasuga Ryoji | Hand pull down | Juryo 6 West vs Juryo 1 West |
| May 1998 | Day 15 | Tamakasuga Ryoji | Frontal push out | Maegashira 10 West vs Maegashira 4 West |
| July 1998 | Day 12 | Kotoryu Hiroo | Frontal push down | Maegashira 13 West vs Maegashira 10 West |
| January 1999 | Day 9 | Tamakasuga Ryoji | Frontal push out | Maegashira 5 West vs Maegashira 2 West |
| March 1999 | Day 15 | Tamakasuga Ryoji | Hand pull down | Maegashira 10 West vs Maegashira 4 West |
| May 1999 | Day 7 | Tamakasuga Ryoji | Frontal push down | Maegashira 8 West vs Maegashira 5 West |
| May 2000 | Day 4 | Kotoryu Hiroo | Under shoulder swing down | Maegashira 5 West vs Maegashira 4 West |
| November 2000 | Day 6 | Tamakasuga Ryoji | Frontal push out | Maegashira 10 East vs Maegashira 11 East |
| January 2001 | Day 3 | Kotoryu Hiroo | Frontal force out | Maegashira 7 West vs Maegashira 5 West |
| September 2001 | Day 12 | Tamakasuga Ryoji | Frontal push out | Maegashira 7 West vs Maegashira 3 West |
| May 2002 | Day 7 | Tamakasuga Ryoji | Frontal push out | Maegashira 8 East vs Maegashira 5 West |
| November 2003 | Day 9 | Kotoryu Hiroo | Frontal force out | Maegashira 13 East vs Maegashira 7 West |
| January 2004 | Day 10 | Kotoryu Hiroo | Frontal force out | Maegashira 9 East vs Maegashira 16 West |
| September 2004 | Day 13 | Tamakasuga Ryoji | Hand pull down | Maegashira 8 East vs Maegashira 14 West |
| November 2004 | Day 6 | Kotoryu Hiroo | Frontal force out | Maegashira 9 East vs Maegashira 13 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.