Head-to-head · 13 bouts
Kaiho Ryoji and Masatsukasa Koshin have met 13 times in recorded sumo. Kaiho Ryoji leads 10–3.
Kaiho Ryoji has won with: frontal push out (1), underarm throw (1), pulling over armthrow (1), thrust down (1), frontal force out (1).
Masatsukasa Koshin has won with: slap down (1), frontal push down (1), frontal crush out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 2005 | Day 11 | Kaiho Ryoji | Frontal push out | Juryo 4 East vs Juryo 11 West |
| July 2006 | Day 3 | Kaiho Ryoji | Underarm throw | Juryo 12 West vs Juryo 8 West |
| September 2006 | Day 5 | Masatsukasa Koshin | Slap down | Juryo 6 East vs Juryo 9 East |
| November 2006 | Day 1 | Kaiho Ryoji | Pulling over armthrow | Juryo 10 East vs Juryo 9 West |
| March 2007 | Day 4 | Kaiho Ryoji | Thrust down | Juryo 2 East vs Juryo 3 West |
| May 2007 | Day 2 | Kaiho Ryoji | Frontal force out | Juryo 4 East vs Juryo 5 East |
| May 2008 | Day 4 | Kaiho Ryoji | Arm lock throw | Juryo 3 East vs Juryo 5 East |
| March 2009 | Day 1 | Masatsukasa Koshin | Frontal push down | Juryo 5 East vs Juryo 4 West |
| July 2009 | Day 9 | Kaiho Ryoji | Rear push out | Juryo 3 East vs Juryo 9 East |
| November 2009 | Day 5 | Masatsukasa Koshin | Frontal crush out | Juryo 1 East vs Juryo 4 East |
| January 2010 | Day 9 | Kaiho Ryoji | Inside leg trip | Juryo 11 West vs Juryo 6 West |
| March 2010 | Day 10 | Kaiho Ryoji | Head lock throw | Juryo 2 East vs Juryo 8 East |
| May 2010 | Day 15 | Kaiho Ryoji | Beltless armthrow | Juryo 5 East vs Juryo 14 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.