Head-to-head · 18 bouts
Kyokutenho Masaru and Kotoryu Hiroo have met 18 times in recorded sumo. Kotoryu Hiroo leads 11–7.
Kyokutenho Masaru has won with: frontal force out (5), slap down (2).
Kotoryu Hiroo has won with: frontal force out (5), over arm throw (4), frontal lift out (1), pulling over armthrow (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| March 1996 | Day 13 | Kotoryu Hiroo | Frontal force out | Juryo 4 East vs Juryo 13 East |
| May 1996 | Day 7 | Kotoryu Hiroo | Frontal force out | Juryo 2 East vs Juryo 7 West |
| January 1998 | Day 10 | Kotoryu Hiroo | Frontal lift out | Maegashira 11 East vs Maegashira 15 West |
| July 1998 | Day 5 | Kyokutenho Masaru | Frontal force out | Maegashira 15 West vs Maegashira 13 West |
| July 1999 | Day 6 | Kotoryu Hiroo | Over arm throw | Maegashira 15 East vs Maegashira 10 West |
| September 1999 | Day 3 | Kyokutenho Masaru | Frontal force out | Maegashira 12 East vs Maegashira 10 West |
| November 1999 | Day 3 | Kotoryu Hiroo | Over arm throw | Maegashira 8 East vs Maegashira 6 West |
| March 2000 | Day 7 | Kotoryu Hiroo | Frontal force out | Maegashira 3 East vs Maegashira 2 West |
| September 2000 | Day 9 | Kyokutenho Masaru | Frontal force out | Maegashira 3 East vs Maegashira 1 West |
| November 2000 | Day 11 | Kotoryu Hiroo | Pulling over armthrow | Maegashira 11 East vs Maegashira 6 West |
| January 2001 | Day 8 | Kyokutenho Masaru | Frontal force out | Maegashira 8 East vs Maegashira 7 West |
| July 2001 | Day 4 | Kotoryu Hiroo | Frontal force out | Maegashira 10 East vs Maegashira 11 East |
| September 2001 | Day 1 | Kyokutenho Masaru | Slap down | Maegashira 8 East vs Maegashira 7 West |
| May 2002 | Day 3 | Kotoryu Hiroo | Over arm throw | Maegashira 8 East vs Maegashira 4 West |
| September 2002 | Day 1 | Kyokutenho Masaru | Frontal force out | Maegashira 3 East vs Maegashira 3 West |
| March 2003 | Day 13 | Kyokutenho Masaru | Slap down | Maegashira 5 East vs Maegashira 1 West |
| July 2003 | Day 14 | Kotoryu Hiroo | Over arm throw | Maegashira 5 West vs Sekiwake 1 West |
| January 2005 | Day 2 | Kotoryu Hiroo | Frontal force out | Maegashira 6 East vs Maegashira 7 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.