INDIAN WELLS, California (Reuters) - World number one Iga Swiatek blasted past American Danielle Collins 6-3 6-0 and Angelique Kerber upset 10th seed Jelena Ostapenko in second round action at Indian Wells on Friday.

Swiatek edged Collins in an epic at the Australian Open and the familiar foes appeared primed for another blockbuster when they were on serve with the Pole leading 4-3 in the first set.