US
Australian Open champion Sabalenka and US Open champion Gauff crash out after shock defeats
The world number three defeated American compatriot Vickery in three sets
World number three upsets eighth seed 6-1, 6-1 to reach semi-finals
World number three feels more relaxed heading into the next month's Australian Open after her fairytale in New York
American tennis star shakes off rain, windy conditions to beat compatriot Gauff
World number two defeats Tunisian 6-0, 7-5 in a group-stage match
Polish star beats Vondrousova 7-6, 6-0; American teen seals 6-0, 6-1 triumph
US Open director believes American teen has her place in tennis royalty
Polish star battles past Garcia in China Open, American teen dispatches Sakkari
World number three defeats Russian 7-6 (7/5), 6-2 to reach quarter-final