Head-to-head · 21 bouts
Koboyama Daizo and Tagaryu Shoji have met 21 times in recorded sumo. Koboyama Daizo leads 11–10.
Koboyama Daizo has won with: slap down (3), frontal force out (2), thrust down (2), frontal lift out (1), frontal push out (1).
Tagaryu Shoji has won with: frontal force out (5), thrust down (2), over arm throw (1), slap down (1).
| Tournament | Day | Winner | Technique | Ranks |
|---|---|---|---|---|
| September 1980 | Day 13 | Tagaryu Shoji | — | Makushita 40 West vs Makushita 29 West |
| May 1983 | Day 4 | Koboyama Daizo | Frontal lift out | Maegashira 3 East vs Maegashira 8 West |
| July 1983 | Day 6 | Tagaryu Shoji | Thrust down | Maegashira 10 West vs Maegashira 7 West |
| January 1984 | Day 7 | Koboyama Daizo | Frontal force out | Maegashira 3 West vs Sekiwake 1 West |
| September 1984 | Day 5 | Tagaryu Shoji | Over arm throw | Maegashira 12 West vs Maegashira 7 West |
| March 1985 | Day 6 | Tagaryu Shoji | Frontal force out | Maegashira 6 East vs Maegashira 10 West |
| July 1985 | Day 2 | Koboyama Daizo | Slap down | Maegashira 12 East vs Maegashira 7 West |
| November 1985 | Day 2 | Tagaryu Shoji | Slap down | Maegashira 7 East vs Maegashira 11 East |
| May 1986 | Day 5 | Koboyama Daizo | Thrust down | Maegashira 6 East vs Maegashira 11 East |
| July 1986 | Day 8 | Koboyama Daizo | Frontal push out | Maegashira 7 East vs Maegashira 9 West |
| September 1986 | Day 3 | Tagaryu Shoji | Thrust down | Maegashira 9 East vs Maegashira 2 West |
| March 1987 | Day 15 | Koboyama Daizo | Hand pull down | Maegashira 5 East vs Maegashira 6 East |
| July 1987 | Day 11 | Koboyama Daizo | Slap down | Maegashira 7 West vs Maegashira 2 West |
| September 1987 | Day 10 | Tagaryu Shoji | Frontal force out | Maegashira 12 West vs Maegashira 6 West |
| November 1987 | Day 2 | Koboyama Daizo | Slap down | Maegashira 4 East vs Maegashira 10 East |
| May 1988 | Day 2 | Tagaryu Shoji | Frontal force out | Maegashira 11 East vs Maegashira 12 West |
| September 1988 | Day 3 | Koboyama Daizo | Thrust down | Maegashira 11 West vs Maegashira 10 West |
| November 1988 | Day 3 | Tagaryu Shoji | Frontal force out | Maegashira 8 West vs Maegashira 7 West |
| March 1989 | Day 10 | Tagaryu Shoji | Frontal force out | Maegashira 9 East vs Maegashira 11 West |
| May 1989 | Day 5 | Koboyama Daizo | Frontal force out | Maegashira 6 East vs Maegashira 3 West |
| July 1989 | Day 11 | Koboyama Daizo | fusen | Maegashira 13 East vs Maegashira 12 West |
Every bout between the two that is in this database (March 1958 onwards). Technique names follow NHK WORLD-JAPAN.