No. 2 seed Iga Swiatek of Poland and No. 4 seed Jessica Pegula made quick work of their third-round opponents at the BNP Paribas Open on Sunday in Indian Wells, Calif.

Defending champion Iga Swiatek powered into the Indian Wells quarterfinals with a 6-1, 6-1 victory over Karolina Muchova, beating the rain that played havoc with many of the day's matches.

Iga Swiatek, comfortable as usual at the BNP Paribas Open, cruised into the quarterfinals with a victory on Tuesday in Indian Wells, Calif. The second-seeded Polish player routed 15th-seeded Karolina Muchova 6-1, 6-1 in fourth-round action.