His career lasted twenty-six years, from 1962 until 1988, and he holds the record for the most bouts contested in professional sumo.

He also holds the "elevator" record for winning promotion to makuuchi from jūryō a total of 13 times,[2] The longest he was able to stay in the top division consecutively was 18 tournaments between January 1981 and November 1983.

He fell from makuuchi for the last time in May 1984, and announced his retirement in January 1988 at the age of forty after falling into the non-salaried makushita division.

[2] He did not produce a sekitori until 2012, when his top wrestler Senshō [ja] of Mongolia finally won promotion to jūryō in the January tournament after eleven years in sumo.

)[4] He stood down as the head of the stable in December 2012 as he was shortly to reach the mandatory retirement age of 65, and passed over control to the former maegashira Kitazakura.

Unusually, Kitazakura belongs to a different ichimon, Dewanoumi, but there was a personal connection as Ōshio was a close friend of Kitazakura′s father.

[7] Sanshō key: F=Fighting spirit; O=Outstanding performance; T=Technique     Also shown: ★=Kinboshi; P=Playoff(s) Divisions: Makuuchi — Jūryō — Makushita — Sandanme — Jonidan — Jonokuchi