NEW YORK (Reuters) - Highlights of the fourth day at the U.S. Open, the last Grand Slam tournament of the year, at Flushing Meadows on Thursday(times in GMT):

1615 PLAY UNDERWAY IN NEW YORK

Play got underway at Flushing Meadows after a delayed start, with top seed Ash Barty taking on Denmark's Clara Tauson at the Arthur Ashe Stadium.