15:04SportsworldLive commentary from the ATP World Tour FinalsBBC World Service Duration: 57 minutes Sat 16th Nov 2019, 15:04 on BBC World Service OnlineLive commentary on the men's semi-final from the 02 Arena in London(Picture: The ATP World Tour Final trophy. Credit: Getty Images)GenresSportFormatsPerformances & EventsBrandSportsworld Source: BBC Online