Head-to-head · 20 bouts
Dewanishiki Tadao and Taiho Koki have met 20 times in recorded sumo. Taiho Koki leads 17–3.
Dewanishiki Tadao has won with: frontal crush out (1), arm barring force out (1), underarm throw (1).
Taiho Koki has won with: frontal force out (8), frontal crush out (3), pulling over armthrow (2), frontal thrust down (1), rear push out (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| January 1960 | Day 13 | Taiho Koki | Frontal crush out | Maegashira 13 West vs Sekiwake 2 West |
| March 1960 | Day 12 | Taiho Koki | Frontal force out | Maegashira 4 East vs Maegashira 1 West |
| May 1960 | Day 3 | Dewanishiki Tadao | Frontal crush out | Maegashira 6 East vs Maegashira 7 West |
| July 1960 | Day 6 | Taiho Koki | Frontal force out | Maegashira 2 West vs Komusubi 1 West |
| September 1960 | Day 13 | Taiho Koki | Frontal force out | Komusubi 2 East vs Sekiwake 1 West |
| November 1960 | Day 8 | Taiho Koki | Frontal crush out | Sekiwake 1 East vs Maegashira 4 East |
| January 1961 | Day 1 | Taiho Koki | Frontal thrust down | Ozeki 2 East vs Maegashira 6 East |
| March 1961 | Day 4 | Taiho Koki | Rear push out | Maegashira 2 West vs Ozeki 2 West |
| September 1961 | Day 7 | Taiho Koki | Frontal force out | Ozeki 1 East vs Maegashira 3 East |
| November 1961 | Day 5 | Taiho Koki | Frontal force out | Komusubi 2 East vs Yokozuna 1 West |
| March 1962 | Day 9 | Taiho Koki | Frontal force out | Yokozuna 1 East vs Maegashira 1 West |
| May 1962 | Day 11 | Taiho Koki | Pulling over armthrow | Yokozuna 1 East vs Komusubi 1 West |
| July 1962 | Day 2 | Dewanishiki Tadao | Arm barring force out | Yokozuna 1 East vs Maegashira 1 East |
| September 1962 | Day 10 | Taiho Koki | fusen | Yokozuna 1 East vs Sekiwake 1 East |
| November 1962 | Day 5 | Taiho Koki | Frontal force out | Yokozuna 1 East vs Maegashira 4 West |
| January 1963 | Day 6 | Taiho Koki | Frontal force out | Yokozuna 1 East vs Maegashira 2 East |
| March 1963 | Day 4 | Dewanishiki Tadao | Underarm throw | Yokozuna 1 East vs Maegashira 3 East |
| May 1963 | Day 3 | Taiho Koki | Pulling over armthrow | Yokozuna 1 East vs Maegashira 3 West |
| September 1963 | Day 7 | Taiho Koki | Frontal crush out | Yokozuna 1 East vs Maegashira 1 East |
| November 1963 | Day 2 | Taiho Koki | Beltless armthrow | Maegashira 1 West vs Yokozuna 1 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.