Britain's Andy Murray demonstrated his grit and guile to frustrate Argentine 24th seed Francisco Cerundolo and start the 10th anniversary of his US Open victory with a first-round win.
The former world number one, who earned the first of his three major titles in New York, went on to win 7-5 6-3 6-3.
Fellow Briton Harriet Dart also reached the US Open second round.
The world number 88, 26, claimed her first main draw win in New York as well as her first victory against a top-10 player as she beat world number nine Daria Kasatkina 7-6 (10-8) 1-6 6-3.