Tomomi Kai (甲斐 智美, Kai Tomomi, born May 30, 1983) is a retired Japanese women's professional shogi player who achieved the rank of 5-dan.
She remained in the apprentice school until August 2003 when she expressed her intention to return to women's professional play.
[4] In addition to major titles, Kai has won two other shogi championships: the 11th Women's Kashima Cup Shogi Tournament [ja] in 2006 and the 1st Daiwa Securities Cup Women's Internet Tournament [ja] in 2007.
[5] Kai has received the following Japan Shogi Association Annual Shogi Awards: "Women's Professional Award" in 2010 and 2013, and "Women's Professional of the Year" in 2014.
[6] The Japan Shogi Association announced on March 7, 2023, on its official website that Kai was going to retire from women's professional shogi for personal reasons once she completed her current schedule of official games.