Hiroki Iizuka

is a Japanese professional shogi player ranked 8-dan.

Early life and apprenticeship Hiroki Iizuka was born in Tokyo on April 2, 1969. He entered the Japan Shogi Association's apprentice school under the guidance of shogi professional in December 1982 at the rank of 6-kyū. He was promoted to 1-dan in 1988, and then obtained full professional status and the rank of 4-dan in April 1992. 6-kyū: 1982 1-dan: 1988 4-dan: April 1, 1992 5-dan: August 5, 1996 6-dan: August 13, 2001 7-dan: October 27, 2009 8-dan: June 7, 2023