with a straight sets win over frenchman alexandre muller. he ll face spain s bernabe zapata miralles in the second round as he goes for a record equalling 24th major title. it was a greatjoy it was a great joy to it was a greatjoy to be stepping out on the court, and the performance explains how i felt tonight, particularly on the first two sets. it was lights out tennis, really. almost flawless, perfect first set. it was an impressive new york comeback for caroline wozniacki who eased past russian qualifier tatiana prozorova in straight sets. the us open is wozniacki s third tournament since coming out of retirement. next up for her, petra kvitova. world number one and defending champion iga swiatek began her title defence with a 6 0, 6 1 win over sweden s rebecca peterson injust 58 minutes. next up for her is the