Summary: Recorded before the fourth round matches between Dominik Koepfer and Daniil Medvedev and Novak Djokovic and Stan Wawrinka, US Open Radio commentators Brian Clark and Mike Cation look back on week 1 of the US Open and ahead to week 2 and along the way, introduce interviews with Marin Cilic's coach, Wayne Ferreira, and former doubles players, Andre Sa, who spoke in his capacity as an ATP Cup ambassador.
