is a Japanese retired professional shogi player who achieved the rank of 9-dan. He is a former and à Âza major title holder.
Fukusaki was born on December 6, 1959, in Moriguchi, Osaka. He entered the Japan Shogi Association's apprentice school under the guidance of shogi professional at the rank of 5-kyà « in 1975. He was promoted to 1-dan in 1976 and obtained full professional status and the rank of 4-dan in October 1978.
In 1979, Fukusaki won the 3rd tournament for his first championship as a professional.
Fukusaki first appearance in a major title match came in 1986 when he challenged Kunio Yonenaga for the 25th title. Fukusaki won the match 4 games to 2 for his first major title. The following year, however, he was unsuccessful in his first title match defense, losing to Michio Takahashi 4 games to none.
Fukusaki's next appearance in a major title match came in 1991 when he challenged Kà Âji Tanigawa for the 39th à Âza title. Fukusaki defeated Tanigawa 3 games to 2, but once again was unable to defend his title the following year, this time losing to Yoshiharu Habu.
On March 8, 2012, Fukusaki defeated Kenji Kobayashi in a Ryà «à  Class 4 game to become the 44th professional to win 600 official games.
On April 1, 2025, the announced Fukuzaki had met the conditions for mandatory retirement for "Free Class" players and his retirement would become official upon completion of his final scheduled game of the 20252024 shogi season. Fukuzaki's retirement became official upon losing to Kà Âzà  Arimori on April 22, 2025, in a 38th Ryà «à  Group 6 game. He finished his career with a record of 678 wins and 814 losses for a winning percentage of 0.454.
Fukusaki's promotion history is as follows:
Fukusaki has appeared in major title matches a total of four times and has won two titles. In addition to major titles, Fukusaki has won one other shogi championship during his career.
Fukusaki received the Japan Shogi Association Annual Shogi Awards for "Best New Player" and "Best Winning Percentage" in 1979, and for "Distinguished Service" in 1986. He also received the association's "25 Years Service Award" in 2003 in recognition of being an active professional for twenty-five years, and the "Shogi Honor Award" in 2008 in recognition of winning 600 official games as a professional.
Fukusaki is married to former female shogi professional .