Head-to-head · 19 bouts
Kyokushuzan Noboru and Kaio Hiroyuki have met 19 times in recorded sumo. Kaio Hiroyuki leads 16–3.
Kyokushuzan Noboru has won with: slap down (2), leg pick (1).
Kaio Hiroyuki has won with: frontal force out (7), frontal push out (6), rear push out (1), slap down (1), frontal thrust out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| January 1997 | Day 2 | Kyokushuzan Noboru | Leg pick | Sekiwake 1 East vs Maegashira 3 West |
| May 1997 | Day 3 | Kaio Hiroyuki | Frontal force out | Sekiwake 1 East vs Maegashira 4 West |
| January 1998 | Day 15 | Kaio Hiroyuki | Frontal force out | Komusubi 1 East vs Maegashira 4 East |
| September 1999 | Day 14 | Kyokushuzan Noboru | Slap down | Sekiwake 1 East vs Maegashira 2 East |
| November 1999 | Day 2 | Kaio Hiroyuki | Rear push out | Sekiwake 1 East vs Maegashira 3 East |
| March 2000 | Day 11 | Kaio Hiroyuki | Frontal force out | Maegashira 1 West vs Komusubi 1 West |
| January 2002 | Day 6 | Kaio Hiroyuki | Frontal force out | Ozeki 1 East vs Maegashira 1 East |
| March 2002 | Day 8 | Kaio Hiroyuki | Frontal force out | Maegashira 3 West vs Ozeki 2 West |
| March 2003 | Day 12 | Kaio Hiroyuki | Frontal force out | Maegashira 7 West vs Ozeki 2 West |
| May 2003 | Day 11 | Kaio Hiroyuki | Slap down | Maegashira 3 East vs Ozeki 1 West |
| July 2003 | Day 4 | Kaio Hiroyuki | Frontal push out | Ozeki 1 East vs Maegashira 2 East |
| November 2003 | Day 12 | Kaio Hiroyuki | Frontal thrust out | Ozeki 2 East vs Maegashira 5 West |
| January 2004 | Day 4 | Kyokushuzan Noboru | Slap down | Ozeki 2 East vs Maegashira 2 West |
| March 2004 | Day 4 | Kaio Hiroyuki | Frontal push out | Maegashira 1 West vs Ozeki 1 West |
| July 2004 | Day 6 | Kaio Hiroyuki | Frontal push out | Ozeki 1 East vs Maegashira 3 West |
| November 2004 | Day 7 | Kaio Hiroyuki | Frontal force out | Ozeki 1 East vs Maegashira 4 West |
| July 2005 | Day 4 | Kaio Hiroyuki | Frontal push out | Maegashira 1 West vs Ozeki 2 West |
| May 2006 | Day 15 | Kaio Hiroyuki | Frontal push out | Maegashira 5 East vs Ozeki 2 West |
| July 2006 | Day 1 | Kaio Hiroyuki | Frontal push out | Ozeki 2 East vs Maegashira 1 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.