"Kachi Ikusa" (勝ち戦, "Winning Battle"), also known by its English language title "Win Every Fight", is a song by Japanese rock band Tokyo Jihen, led by musician Ringo Sheena. It was one of the promotional songs for the band's fourth album Sports, released on February 24, 2010, and was used in commercials for Ezaki Glico's Watering Kissmint gum.