Head-to-head · 23 bouts
Kotomitsuki Keiji and Tamanoshima Arata have met 23 times in recorded sumo. Kotomitsuki Keiji leads 17–6.
Kotomitsuki Keiji has won with: frontal force out (8), frontal push out (4), slap down (3), rear push out (1), over arm throw (1).
Tamanoshima Arata has won with: frontal push out (2), slap down (2), thrust down (1), arm barring force down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| November 1999 | Day 12 | Kotomitsuki Keiji | Frontal force out | Juryo 12 East vs Juryo 7 West |
| September 2000 | Day 12 | Kotomitsuki Keiji | Frontal push out | Juryo 4 East vs Juryo 5 West |
| September 2001 | Day 9 | Kotomitsuki Keiji | Frontal force out | Maegashira 2 East vs Komusubi 1 West |
| November 2001 | Day 3 | Kotomitsuki Keiji | Slap down | Maegashira 1 West vs Sekiwake 1 West |
| November 2002 | Day 1 | Kotomitsuki Keiji | Frontal push out | Maegashira 3 West vs Sekiwake 1 West |
| March 2003 | Day 4 | Tamanoshima Arata | Frontal push out | Maegashira 4 West vs Sekiwake 1 West |
| September 2003 | Day 9 | Kotomitsuki Keiji | Frontal push out | Maegashira 6 East vs Maegashira 7 West |
| March 2004 | Day 4 | Tamanoshima Arata | Thrust down | Maegashira 3 West vs Sekiwake 1 West |
| May 2004 | Day 13 | Kotomitsuki Keiji | Rear push out | Maegashira 5 West vs Komusubi 1 West |
| July 2004 | Day 14 | Tamanoshima Arata | Slap down | Komusubi 1 East vs Komusubi 1 West |
| September 2004 | Day 12 | Kotomitsuki Keiji | Over arm throw | Maegashira 2 West vs Komusubi 1 West |
| November 2004 | Day 14 | Tamanoshima Arata | Slap down | Komusubi 1 East vs Maegashira 4 East |
| March 2005 | Day 9 | Kotomitsuki Keiji | Frontal force out | Maegashira 2 East vs Maegashira 7 West |
| May 2005 | Day 9 | Kotomitsuki Keiji | Frontal force out | Komusubi 1 East vs Maegashira 1 East |
| July 2005 | Day 2 | Kotomitsuki Keiji | Frontal push out | Maegashira 4 West vs Sekiwake 1 West |
| September 2005 | Day 15 | Tamanoshima Arata | Frontal push out | Komusubi 1 East vs Maegashira 8 West |
| November 2005 | Day 8 | Kotomitsuki Keiji | Slap down | Maegashira 1 East vs Sekiwake 1 West |
| January 2006 | Day 7 | Kotomitsuki Keiji | Frontal force out | Sekiwake 1 East vs Komusubi 1 West |
| March 2006 | Day 6 | Kotomitsuki Keiji | Frontal force out | Maegashira 1 East vs Sekiwake 1 West |
| September 2006 | Day 8 | Tamanoshima Arata | Arm barring force down | Maegashira 2 East vs Sekiwake 1 West |
| May 2007 | Day 1 | Kotomitsuki Keiji | Slap down | Sekiwake 1 East vs Maegashira 2 West |
| May 2009 | Day 9 | Kotomitsuki Keiji | Frontal force out | Maegashira 3 East vs Ozeki 2 West |
| September 2009 | Day 3 | Kotomitsuki Keiji | Frontal force out | Maegashira 3 East vs Ozeki 1 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.