Head-to-head · 14 bouts
Wakanoyama Hiroshi and Kaio Hiroyuki have met 14 times in recorded sumo. Kaio Hiroyuki leads 10–4.
Wakanoyama Hiroshi has won with: frontal push out (3).
Kaio Hiroyuki has won with: frontal force out (4), over arm throw (2), frontal push out (2), arm lock throw (1), frontal push down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| July 1989 | Day 10 | Wakanoyama Hiroshi | — | Jonidan 11 East vs Jonidan 12 West |
| January 1992 | Day 4 | Wakanoyama Hiroshi | Frontal push out | Juryo 10 West vs Juryo 5 West |
| March 1992 | Day 10 | Wakanoyama Hiroshi | Frontal push out | Juryo 3 East vs Juryo 11 West |
| March 1993 | Day 4 | Kaio Hiroyuki | Frontal force out | Juryo 6 West vs Juryo 1 West |
| May 1993 | Day 13 | Wakanoyama Hiroshi | Frontal push out | Juryo 3 East vs Maegashira 15 West |
| July 1993 | Day 6 | Kaio Hiroyuki | Arm lock throw | Juryo 1 East vs Juryo 6 West |
| September 1993 | Day 4 | Kaio Hiroyuki | Over arm throw | Juryo 5 West vs Juryo 1 West |
| March 2000 | Day 10 | Kaio Hiroyuki | Frontal force out | Maegashira 1 East vs Komusubi 1 West |
| July 2000 | Day 15 | Kaio Hiroyuki | Frontal push out | Sekiwake 1 East vs Maegashira 4 West |
| September 2000 | Day 13 | Kaio Hiroyuki | Over arm throw | Ozeki 2 East vs Maegashira 6 East |
| November 2000 | Day 5 | Kaio Hiroyuki | Frontal force out | Ozeki 1 East vs Maegashira 1 West |
| January 2001 | Day 8 | Kaio Hiroyuki | Frontal force out | Ozeki 1 East vs Maegashira 3 East |
| March 2001 | Day 1 | Kaio Hiroyuki | Frontal push out | Ozeki 1 East vs Komusubi 1 West |
| May 2001 | Day 7 | Kaio Hiroyuki | Frontal push down | Ozeki 1 East vs Maegashira 2 East |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.