Takamasa Anai (穴井 隆将) is a Japanese judoka. Anai began judo at the age of 5. Anai is Coached by former world champion and olympic silver medalist Shinichi Shinohara. Anai won the All-Japan Championships and took a bronze medal at the 2009 World Championships. His greatest achievement to date is winning the 2010 World Championships in Tokyo. In September 2012, Anai defeated 10 judo black belts in a row during the 50th anniversary of LA Tenri Judo Club, defeating 8-time US judo champion Tokuzo Takahashi in his final match. Anai's main tournament throws are Harai Goshi, Uchi Mata and O soto gari.