Quarterfinals: Sierra Kerr strikes early for back-to-back 26' Challenger Series Quarterfinal appearancesPublished byworldsurfleague.comon •1 min readThe back-to-back US Open of Surfing champ, Kanoa Igarashi, had to dig deep against Brazil's upstart Douglas Silva and delivered ansurfchallenger seriesquarterfinalsLearn moreShareLegalReport