Hiroki Iizuka (shogi)

Hiroki Iizuka (飯塚 祐紀) 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 Tsutomu Matsushita 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.

Promotion history
The promotion history for Iizuka is as follows:
 * 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