Head-to-head · 13 bouts
Kotoryu Hiroo and Tochinonada Taiichi have met 13 times in recorded sumo. Tochinonada Taiichi leads 10–3.
Kotoryu Hiroo has won with: over arm throw (1), frontal push out (1), under shoulder swing down (1).
Tochinonada Taiichi has won with: frontal force out (6), slap down (1), thrust down (1), frontal push out (1), underarm throw (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| May 1997 | Day 15 | Tochinonada Taiichi | Slap down | Maegashira 8 East vs Maegashira 16 East |
| July 1997 | Day 8 | Tochinonada Taiichi | Frontal force out | Maegashira 11 East vs Maegashira 12 West |
| September 1998 | Day 1 | Kotoryu Hiroo | Over arm throw | Maegashira 6 East vs Maegashira 6 West |
| January 1999 | Day 14 | Tochinonada Taiichi | Thrust down | Maegashira 9 East vs Maegashira 5 West |
| March 1999 | Day 8 | Tochinonada Taiichi | Frontal force out | Maegashira 10 West vs Maegashira 5 West |
| September 1999 | Day 7 | Kotoryu Hiroo | Frontal push out | Maegashira 8 East vs Maegashira 10 West |
| May 2000 | Day 2 | Tochinonada Taiichi | Frontal force out | Maegashira 1 East vs Maegashira 5 West |
| September 2000 | Day 14 | Tochinonada Taiichi | Frontal force out | Maegashira 3 West vs Maegashira 1 West |
| November 2001 | Day 1 | Kotoryu Hiroo | Under shoulder swing down | Maegashira 5 East vs Maegashira 4 West |
| November 2002 | Day 1 | Tochinonada Taiichi | Frontal force out | Maegashira 6 East vs Maegashira 6 West |
| January 2003 | Day 9 | Tochinonada Taiichi | Frontal push out | Maegashira 10 East vs Maegashira 8 West |
| September 2003 | Day 6 | Tochinonada Taiichi | Underarm throw | Maegashira 3 East vs Maegashira 1 West |
| July 2004 | Day 9 | Tochinonada Taiichi | Frontal force out | Maegashira 3 East vs Maegashira 6 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.