Ōshio Kenji (born 4 January 1948 as Kenji Hatano) is a former sumo wrestler from Kitakyushu, Japan. His highest rank was komusubi. His career lasted twenty six years, from 1962 until 1988, and he holds the record for the most bouts contested in professional sumo. After his retirement at the age of 40 he became an elder of the Japan Sumo Association and set up Shikihide stable in 1992. He left the Sumo Association upon turning 65 in 2013. Career He was born in Yahata Higashi ward. He made his professional debut in January 1962 at the age of just 14, joining Tokitsukaze stable. During his first year he also attended Ryogoku Junir High school to complete his compulsory education. His first stablemaster was the former yokozuna Futabayama. He initially fought under his own surname, Hatano, before adopting the shikona of Ōshio in 1969. He reached the second highest jūryō division in November 1969 and was promoted to the top makuuchi division for the first time in September 1971. He reached his top rank of komusubi in January 1978, but held it for only one tournament. In the May 1978 tournament he defeated Wajima on the opening day, his first ever victory over a yokozuna. He was to earn two more kinboshi in September 1982 and January 1983, at the age of 35. He also earned two special prizes, for Technique and Fighting Spirit. During his extraordinarily long career, Ōshio was ranked in makuuchi for 51 tournaments and 55 tournaments in jūryō, for a total of 106 ranked as an elite sekitori wrestler, a record that stood until 2002 when it was broken by Terao. His total of jūryō tournaments is a record he shares with Hachiya. He also holds the "elevator" record for winning promotion to makuuchi from jūryō a total of 13 times, 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. He had competed in 157 tournaments, and had fought a total of 1891 career bouts, the latter of which is an all-time record. His total of 964 career wins was also a record at the time, although it was surpassed by Chiyonofuji less than