Head-to-head · 14 bouts
Wakakoyu Masaya and Kimurayama Mamoru have met 14 times in recorded sumo. Wakakoyu Masaya leads 8–6.
Wakakoyu Masaya has won with: slap down (3), frontal push out (2), under shoulder swing down (1), frontal thrust out (1), hand pull down (1).
Kimurayama Mamoru has won with: slap down (2), frontal push down (2), hand touch down (1), frontal push out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| January 2008 | Day 9 | Wakakoyu Masaya | Frontal push out | Juryo 14 East vs Juryo 11 West |
| September 2009 | Day 7 | Kimurayama Mamoru | Slap down | Juryo 2 East vs Juryo 6 West |
| January 2010 | Day 10 | Wakakoyu Masaya | Slap down | Juryo 4 East vs Juryo 3 West |
| March 2010 | Day 7 | Kimurayama Mamoru | Frontal push down | Juryo 4 West vs Juryo 1 West |
| May 2010 | Day 5 | Wakakoyu Masaya | Slap down | Maegashira 15 East vs Maegashira 12 West |
| January 2011 | Day 11 | Kimurayama Mamoru | Frontal push down | Maegashira 14 East vs Maegashira 14 West |
| May 2011 | Day 12 | Wakakoyu Masaya | Under shoulder swing down | Maegashira 17 East vs Maegashira 10 West |
| September 2011 | Day 13 | Kimurayama Mamoru | Hand touch down | Maegashira 16 West vs Maegashira 6 West |
| September 2012 | Day 7 | Kimurayama Mamoru | Slap down | Maegashira 14 West vs Maegashira 10 West |
| January 2013 | Day 11 | Wakakoyu Masaya | Frontal push out | Juryo 3 East vs Juryo 4 West |
| March 2013 | Day 13 | Wakakoyu Masaya | Frontal thrust out | Juryo 7 East vs Juryo 11 East |
| May 2013 | Day 8 | Kimurayama Mamoru | Frontal push out | Juryo 9 East vs Juryo 11 West |
| November 2013 | Day 13 | Wakakoyu Masaya | Slap down | Juryo 11 East vs Juryo 11 West |
| January 2014 | Day 11 | Wakakoyu Masaya | Hand pull down | Juryo 11 West vs Juryo 8 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.