Watch: Imaikalani deVault vs Liam O'Brien Vans US Open of Surfing - Challenger Round of 16 Heat Replay

Heat Replay of Imaikalani deVault vs Liam O'Brien Vans US Open of Surfing - Challenger Series Round of 16 The Vans US Open of Surfing is one of the sport’s greatest traditions. At the iconic Huntington Beach Pier, Rio Waida, Caity Simmers, and the world’s top up-and-coming surfers face off in front of huge crowds as they battle to qualify