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

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Play got underway at Flushing Meadows where 12th seed Simona Halep is up against Kazakhstan's big-serving Elena Rybakina. Defending champion Naomi Osaka takes on Canada's Leylah Fernandez in the evening session on Arthur Ashe Stadium.