Ichinoya Mitsuru (born 28 December 1960 as Tetsuhiro Matsuda) is a former sumo wrestler from Tokunoshima, Ōshima, Kagoshima Prefecture, Japan. His highest rank was sandanme 6. He is a rare example of a national university graduate joining professional sumo. Entering the Takasago stable at age 23, he wrestled until the age of 46, making him one of the oldest ever rikishi.
Source: “Ichinoya Mitsuru”, English Wikipedia (CC BY-SA 4.0), excerpt
