Head-to-head · 15 bouts
Higonoumi Naoya and Kotoryu Hiroo have met 15 times in recorded sumo. Higonoumi Naoya leads 8–7.
Higonoumi Naoya has won with: frontal force out (5), rear push out (2), slap down (1).
Kotoryu Hiroo has won with: frontal push out (2), frontal force out (2), over arm throw (2), outside leg trip (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| July 1996 | Day 5 | Higonoumi Naoya | Frontal force out | Maegashira 14 East vs Maegashira 15 East |
| September 1996 | Day 9 | Kotoryu Hiroo | Frontal push out | Maegashira 13 West vs Maegashira 8 West |
| November 1996 | Day 9 | Higonoumi Naoya | Frontal force out | Maegashira 10 West vs Maegashira 8 West |
| May 1997 | Day 11 | Kotoryu Hiroo | Frontal force out | Maegashira 8 East vs Maegashira 9 West |
| January 1998 | Day 12 | Kotoryu Hiroo | Over arm throw | Maegashira 11 East vs Maegashira 8 West |
| May 1998 | Day 11 | Higonoumi Naoya | Slap down | Maegashira 9 East vs Maegashira 10 West |
| July 1998 | Day 14 | Kotoryu Hiroo | Over arm throw | Maegashira 13 West vs Maegashira 6 West |
| September 1998 | Day 5 | Higonoumi Naoya | Rear push out | Maegashira 10 West vs Maegashira 6 West |
| January 1999 | Day 7 | Higonoumi Naoya | Frontal force out | Maegashira 7 West vs Maegashira 5 West |
| May 1999 | Day 4 | Higonoumi Naoya | Frontal force out | Maegashira 7 East vs Maegashira 8 West |
| September 1999 | Day 2 | Kotoryu Hiroo | Frontal push out | Maegashira 11 West vs Maegashira 10 West |
| November 1999 | Day 4 | Higonoumi Naoya | Frontal force out | Maegashira 7 West vs Maegashira 6 West |
| July 2000 | Day 2 | Kotoryu Hiroo | Outside leg trip | Maegashira 6 West vs Maegashira 5 West |
| January 2001 | Day 1 | Kotoryu Hiroo | Frontal force out | Maegashira 7 East vs Maegashira 7 West |
| March 2002 | Day 3 | Higonoumi Naoya | Rear push out | Juryo 4 West vs Juryo 1 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.