Head-to-head · 13 bouts
Kobo Kenichi and Ushiomaru Motoyasu have met 13 times in recorded sumo. Ushiomaru Motoyasu leads 10–3.
Kobo Kenichi has won with: underarm throw (1), frontal force out (1), frontal push out (1).
Ushiomaru Motoyasu has won with: frontal force out (4), frontal crush out (1), thrust down (1), frontal push out (1), rear push down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| March 2002 | Day 3 | Ushiomaru Motoyasu | Frontal force out | Juryo 2 East vs Juryo 5 East |
| July 2002 | Day 11 | Ushiomaru Motoyasu | Frontal crush out | Juryo 8 West vs Juryo 7 West |
| September 2002 | Day 5 | Kobo Kenichi | Underarm throw | Maegashira 15 East vs Juryo 4 East |
| March 2003 | Day 8 | Ushiomaru Motoyasu | Thrust down | Juryo 2 East vs Juryo 4 West |
| July 2004 | Day 9 | Ushiomaru Motoyasu | Frontal push out | Juryo 7 West vs Juryo 4 West |
| September 2004 | Day 11 | Kobo Kenichi | Frontal force out | Juryo 8 East vs Juryo 9 West |
| March 2005 | Day 10 | Ushiomaru Motoyasu | Rear push down | Juryo 7 East vs Juryo 13 East |
| July 2005 | Day 1 | Ushiomaru Motoyasu | Beltless armthrow | Juryo 10 East vs Juryo 9 West |
| September 2005 | Day 3 | Ushiomaru Motoyasu | Frontal force out | Juryo 6 West vs Juryo 4 West |
| November 2005 | Day 5 | Ushiomaru Motoyasu | Underarm throw | Juryo 7 East vs Juryo 9 East |
| January 2006 | Day 14 | Ushiomaru Motoyasu | Frontal force out | Juryo 10 East vs Juryo 2 West |
| May 2006 | Day 4 | Kobo Kenichi | Frontal push out | Juryo 6 East vs Juryo 9 West |
| July 2006 | Day 13 | Ushiomaru Motoyasu | Frontal force out | Juryo 3 East vs Juryo 6 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.