Two-time Indian Wells champion Iga Swiatek avenged her shock Paris Olympics loss to Zheng Qinwen with a 6-3 6-3 win over the Chinese eighth seed on Thursday, setting up a semi-final against 17-year-old Russian Mirra Andreeva in the California desert.

Two-time Indian Wells champion Iga Swiatek avenged her shocking Paris Olympics loss to Zheng Qinwen with a 6-3, 6-3 victory over the Chinese eighth seed on Thursday to reach the semifinals in the California desert.

Defending champion Iga Swiatek cruised past China's Zheng Qinwen in straight sets to reach the Indian Wells semi-finals. Zheng beat Swiatek on the way to winning gold at last year's Paris Olympics - but was no match for the Pole in their first meeting since.