In a rematch of the 2023 French Open final, a ruthless Iga Swiatek thrashed Karolina Muchova 6-1, 6-1 for her ninth straight Indian Wells win.

The two-time defending champion took the play to Shapovalov to reach the round of 16.

Australian Open champion Madison Keys conquered Elise Mertens 6-2, 6-7, 6-4 to improve to 9-0 in three-setters this season.

The 26-year-old had Tiafoe's former coach Wayne Ferreira in his box.

Iga Swiatek has dished out two bagels in four sets this week rolling into the Indian Wells fourth round.

The American put her mental toughness on display on Saturday night in the desert.