He had not shown much interest in sumo while at high school and was instead a member of the
baseball team. However, while recuperating from a baseball injury he was persuaded to drop out of school and join
Dewanoumi stable where his father, the former
sekiwake Oginohana Masaaki, worked as a coach. Initially fighting under his family name of Koiwai, he made his professional debut in July 1983. He adopted his father's
shikona or fighting name in March 1987. In the same tournament his younger brother joined the stable and began using the family name as a
shikona instead (he later became
Oginishiki). As he rose up the ranks Oginohana's strong and supple physique, and the power of his right arm overarm throw, were much admired. He bore a physical resemblance to former
yokozuna Wakanohana II, and like him was popular with female sumo fans. He won the
makushita division championship in May 1988 and reached
sekitori level upon promotion to the
jūryō division in July 1989. He took the
jūryō division championship with a 13-2 record in November 1989 and was promoted to the top
makuuchi division for the following tournament in January 1990. Both Oginohana and his friend and stablemate,
Ryūkōzan, came through with winning records in their
makuuchi debuts, but Ryūkōzan collapsed and died of a heart attack during a training session a few weeks later. Oginohana seemed to lose a good deal of his fighting spirit after this incident. His expected rise to the ''
san'yaku ranks never materialized, and he never won a sanshō or special prize. Twice he was in a position when he would have been awarded the Fighting Spirit Prize if he had won on the final day of the tournament, but on both occasions he lost (to Terao on his top division debut in January 1990 and Takahanada in March 1991). He fell down to jūryō
on a couple of occasions, and ended up winning the jūryō'' championship four times, second only to
Masurao's five. His last appearance in the top division was in March 1996, and he retired in July 1998 when he lost thirteen bouts and was certain to be demoted to the
makushita division. His top division record was 169 wins to 216 losses with 5 absences, a winning percentage of .439, and his highest rank was
maegashira 2, achieved in May 1990. ==Retirement from sumo==