00:15TennisUS Open 2017: Simona Halep v Maria SharapovaBBC Radio 5 Sports Extra Duration: 4 hours, 45 minutes Tue 29th Aug 2017, 00:15 on BBC Radio 5 Sports ExtraLive tennis coverage from the opening day of the US Open in New York, including commentary of Simona Halep v Maria Sharapova.GenresSportTennisSeriesTennis Source: BBC Online