World number one and defending champion Serena Williams was knocked out in the fourth round of the Miami Open.
The 34-year-old American lost 6-7 (3-7) 6-1 6-2 to Russian 15th seed Svetlana Kuznetsova – her earliest exit from the tournament.
Williams, a 21-time Grand Slam champion, was attempting to win her ninth title in Miami.
Poland’s third seed Agnieszka Radwanska was beaten 2-6 6-4 6-2 by 19th seed Timea Bacsinszky of Switzerland.
Earlier on Monday, British number two Heather Watson was defeated 6-3 6-4 by Romania’s Simona Halep.