is a Japanese professional shogi player ranked 7-dan.
Early life and apprentice professional Oikawa was born in Matsubushi, Saitama on May 6, 1987. He learned how to play shogi from his father when he was about five years old, and developed an interest in solving :tsume shogi problems. He was accepted into the Japan Shogi Association's apprentice school as a student of shogi professional at the rank of 6-kyū in 1998, was promoted to the rank of 1-dan in 2003 and then obtained full professional status and the rank of 4-dan after finishing second in the 41st 3-dan League with a record of 13 wins and 5 losses.
Shogi professional Promotion history Oikawa's promotion history is as follows. 1998: September: 6-kyū 2007, October 1: 4-dan 2013, January 8: 5-dan 2014, October 23: 6-dan 2021, December 20: 7-dan
Personal life Oikawa is married to female shogi professional Hatsumi Ueda. The couple were married in June 2013 and have two daughters .
References
External links ShogiHub: Professional Player Info · Oikawa, Takuma