Top four in the world set for US Open women's semi-final showdown

Two-time defending champion Aryna Sabalenka will bid to move one step closer to a third straight US Open title when she faces familiar foe ‌Jessica Pegula, while Elena Rybakina will take on home favourite Coco Gauff in the semi-finals on Thursday from midnight - live on Sky Sports Tennis.

For the first time since Wimbledon in ​2009, all four top seeds at a Grand Slam have reached the semi-finals, with Sabalenka, Rybakina and Gauff all former major champions and third seed Pegula seeking a maiden Grand Slam title.