Head-to-head · 13 bouts
Tamawashi and Harumafuji Kohei have met 13 times in recorded sumo. Harumafuji Kohei leads 8–5.
Tamawashi has won with: frontal push down (1), thrust down (1), frontal push out (1), frontal crush out (1).
Harumafuji Kohei has won with: frontal force out (5), slap down (1), arm bar throw (1), frontal crush out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| March 2010 | Day 6 | Harumafuji Kohei | Frontal force out | Ozeki 1 East vs Maegashira 4 East |
| January 2011 | Day 6 | Tamawashi | Frontal push down | Maegashira 3 West vs Ozeki 2 West |
| March 2014 | Day 3 | Harumafuji Kohei | Slap down | Maegashira 1 West vs Yokozuna 1 West |
| July 2014 | Day 10 | Harumafuji Kohei | Arm bar throw | Maegashira 4 East vs Yokozuna 1 West |
| March 2015 | Day 1 | Harumafuji Kohei | Frontal force out | Komusubi 1 East vs Yokozuna 1 West |
| May 2015 | Day 9 | Tamawashi | Thrust down | Maegashira 5 West vs Yokozuna 1 West |
| November 2016 | Day 1 | Tamawashi | Frontal push out | Yokozuna 1 East vs Komusubi 1 West |
| January 2017 | Day 6 | Harumafuji Kohei | Frontal crush out | Sekiwake 1 East vs Yokozuna 1 West |
| March 2017 | Day 14 | Tamawashi | Frontal crush out | Yokozuna 2 East vs Sekiwake 1 East |
| May 2017 | Day 9 | Harumafuji Kohei | Frontal force out | Yokozuna 2 East vs Sekiwake 1 East |
| July 2017 | Day 10 | Harumafuji Kohei | Frontal force out | Sekiwake 1 East vs Yokozuna 1 West |
| September 2017 | Day 12 | Harumafuji Kohei | Frontal force out | Komusubi 1 East vs Yokozuna 1 West |
| November 2017 | Day 3 | Tamawashi | fusen | Yokozuna 1 East vs Maegashira 1 East |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.