Head-to-head · 12 bouts
Kaiho Ryoji and Iwakiyama Ryuta have met 12 times in recorded sumo. Iwakiyama Ryuta leads 8–4.
Kaiho Ryoji has won with: rear throw down (1), thrust down (1), frontal push out (1), hand pull down (1).
Iwakiyama Ryuta has won with: frontal push out (3), frontal thrust down (1), backward force down (1), over arm throw (1), arm barring force down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 2002 | Day 2 | Kaiho Ryoji | Rear throw down | Maegashira 8 East vs Maegashira 11 West |
| January 2003 | Day 1 | Kaiho Ryoji | Thrust down | Maegashira 5 East vs Maegashira 5 West |
| May 2003 | Day 15 | Iwakiyama Ryuta | Frontal push out | Maegashira 4 East vs Maegashira 9 West |
| July 2003 | Day 4 | Kaiho Ryoji | Frontal push out | Maegashira 8 East vs Maegashira 10 East |
| September 2003 | Day 10 | Iwakiyama Ryuta | Frontal thrust down | Maegashira 5 East vs Maegashira 10 West |
| January 2005 | Day 6 | Iwakiyama Ryuta | Frontal push out | Maegashira 1 East vs Maegashira 6 West |
| May 2005 | Day 1 | Kaiho Ryoji | Hand pull down | Maegashira 4 East vs Maegashira 4 West |
| July 2005 | Day 14 | Iwakiyama Ryuta | Backward force down | Maegashira 10 East vs Maegashira 8 West |
| September 2007 | Day 10 | Iwakiyama Ryuta | Over arm throw | Maegashira 10 East vs Maegashira 6 West |
| January 2008 | Day 4 | Iwakiyama Ryuta | Frontal push out | Maegashira 13 East vs Maegashira 16 West |
| March 2008 | Day 11 | Iwakiyama Ryuta | Arm barring force down | Maegashira 9 East vs Maegashira 14 East |
| November 2008 | Day 5 | Iwakiyama Ryuta | Slap down | Juryo 2 East vs Juryo 5 East |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.