21:005 Live SportUS Open TennisMen's Semi-FinalsBBC Radio 5 Live Duration: 3 hours, 10 minutes Fri 6th Sep 2019, 21:00 on BBC Radio 5 Sports ExtraLive tennis coverage of the men’s semi-finals at the US Open in Flushing Meadows.GenresSportBrand5 Live SportSeries5 Live Sport: US Open Tennis Source: BBC Online