Head-to-head · 13 bouts
Kobo Kenichi and Wakanoyama Hiroshi have met 13 times in recorded sumo. Wakanoyama Hiroshi leads 8–5.
Kobo Kenichi has won with: slap down (2), 2 handed arm twist down (1), rear push out (1), frontal push down (1).
Wakanoyama Hiroshi has won with: frontal push out (5), rear push out (1), frontal push down (1), frontal crush out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 1993 | Day 13 | Wakanoyama Hiroshi | Frontal push out | Makushita 1 East vs Makushita 7 East |
| November 1997 | Day 11 | Wakanoyama Hiroshi | Rear push out | Makushita 17 East vs Makushita 18 West |
| January 1998 | Day 12 | Wakanoyama Hiroshi | Frontal push down | Makushita 9 East vs Makushita 13 East |
| May 1999 | Day 6 | Wakanoyama Hiroshi | Frontal push out | Juryo 4 West vs Juryo 1 West |
| November 2001 | Day 12 | Kobo Kenichi | 2 handed arm twist down | Maegashira 14 East vs Maegashira 9 West |
| January 2002 | Day 5 | Wakanoyama Hiroshi | Frontal crush out | Maegashira 12 East vs Maegashira 9 West |
| January 2003 | Day 10 | Wakanoyama Hiroshi | Frontal push out | Maegashira 7 East vs Maegashira 14 East |
| July 2003 | Day 13 | Wakanoyama Hiroshi | Frontal push out | Juryo 4 West vs Maegashira 13 West |
| November 2003 | Day 8 | Wakanoyama Hiroshi | Frontal push out | Juryo 2 East vs Juryo 3 West |
| January 2004 | Day 9 | Kobo Kenichi | Rear push out | Juryo 6 West vs Juryo 1 West |
| March 2004 | Day 8 | Kobo Kenichi | Frontal push down | Maegashira 16 East vs Juryo 3 East |
| July 2004 | Day 3 | Kobo Kenichi | Slap down | Juryo 2 East vs Juryo 4 West |
| July 2005 | Day 14 | Kobo Kenichi | Slap down | Juryo 10 East vs Juryo 6 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.