Head-to-head · 29 bouts
Kaio Hiroyuki and Wakanohana Masaru have met 29 times in recorded sumo. Wakanohana Masaru leads 15–14.
Kaio Hiroyuki has won with: frontal force out (7), frontal push out (4), frontal crush out (1), beltless armthrow (1).
Wakanohana Masaru has won with: frontal force out (5), frontal push out (3), underarm throw (2), slap down (2), rear push out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| January 1994 | Day 7 | Wakanohana Masaru | Rear push out | Ozeki 1 East vs Maegashira 6 West |
| March 1994 | Day 1 | Kaio Hiroyuki | Frontal force out | Maegashira 1 West vs Ozeki 1 West |
| July 1994 | Day 12 | Wakanohana Masaru | Frontal force out | Komusubi 1 East vs Ozeki 2 West |
| September 1994 | Day 10 | Wakanohana Masaru | Pulling over armthrow | Maegashira 2 East vs Ozeki 1 West |
| November 1994 | Day 2 | Wakanohana Masaru | Underarm throw | Komusubi 1 East vs Ozeki 1 West |
| January 1995 | Day 15 | Wakanohana Masaru | Frontal force out | Ozeki 2 East vs Sekiwake 1 East |
| March 1995 | Day 11 | Kaio Hiroyuki | Frontal force out | Sekiwake 1 East vs Ozeki 1 West |
| May 1995 | Day 13 | Kaio Hiroyuki | Frontal crush out | Sekiwake 1 West vs Ozeki 1 West |
| July 1995 | Day 11 | Wakanohana Masaru | Frontal push out | Sekiwake 1 East vs Ozeki 1 West |
| September 1995 | Day 13 | Kaio Hiroyuki | Frontal force out | Sekiwake 1 West vs Ozeki 1 West |
| November 1995 | Day 12 | Kaio Hiroyuki | Frontal force out | Sekiwake 1 East vs Ozeki 1 West |
| March 1996 | Day 9 | Wakanohana Masaru | Beltless armthrow | Ozeki 2 East vs Sekiwake 1 East |
| May 1996 | Day 4 | Kaio Hiroyuki | Frontal force out | Ozeki 1 East vs Sekiwake 1 West |
| July 1996 | Day 10 | Wakanohana Masaru | Frontal force out | Ozeki 1 East vs Sekiwake 1 East |
| September 1996 | Day 15 | Kaio Hiroyuki | Frontal force out | Sekiwake 1 East vs Ozeki 1 West |
| November 1996 | Day 2 | Kaio Hiroyuki | Frontal push out | Ozeki 1 East vs Sekiwake 1 West |
| January 1997 | Day 10 | Wakanohana Masaru | Frontal force out | Ozeki 1 East vs Sekiwake 1 East |
| March 1997 | Day 4 | Kaio Hiroyuki | fusen | Ozeki 1 East vs Maegashira 1 East |
| September 1997 | Day 9 | Wakanohana Masaru | Frontal force out | Ozeki 2 East vs Komusubi 1 West |
| November 1997 | Day 8 | Kaio Hiroyuki | Frontal push out | Ozeki 2 East vs Maegashira 3 West |
| January 1998 | Day 3 | Kaio Hiroyuki | Frontal force out | Ozeki 2 East vs Komusubi 1 East |
| March 1998 | Day 3 | Wakanohana Masaru | Frontal push out | Ozeki 2 East vs Komusubi 1 West |
| May 1998 | Day 11 | Kaio Hiroyuki | Beltless armthrow | Ozeki 1 East vs Sekiwake 1 West |
| July 1998 | Day 9 | Wakanohana Masaru | Frontal push out | Yokozuna 2 East vs Komusubi 1 West |
| September 1998 | Day 2 | Wakanohana Masaru | Underarm throw | Yokozuna 2 East vs Maegashira 1 East |
| November 1998 | Day 3 | Kaio Hiroyuki | Frontal push out | Maegashira 1 West vs Yokozuna 1 West |
| January 1999 | Day 1 | Wakanohana Masaru | Slap down | Maegashira 1 East vs Yokozuna 1 West |
| March 1999 | Day 1 | Wakanohana Masaru | Slap down | Yokozuna 1 East vs Komusubi 2 West |
| September 1999 | Day 12 | Kaio Hiroyuki | Frontal push out | Sekiwake 1 East vs Yokozuna 2 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.