Venue: Flushing Meadows, New York, Dates: 31 August-13 September
Coverage: Live radio and text commentary of selected matches.
World number two Simona Halep and Italian 26th seed Flavia Pennetta will meet in the US Open semi-finals after prevailing in absorbing three-setters.
Romania's Halep, 23, beat Belarusian Victoria Azarenka 6-3 4-6 6-4 in a rain-interrupted match in New York.
Pennetta, 33, capitalised on two-time Wimbledon champion Petra Kvitova's inconsistency to win 4-6 6-4 6-2 and reach her second US Open semi-final.
Roberta Vinci and Serena Williams will contest Thursday's other semi-final.