KEY BISCAYNE, Fla. (AP) " Elena Vesnina has made a quick exit at the Miami Open only five days after winning the biggest title of her career.

Vesnina, seeded 13th, lost her opening match Friday to wild card Ajla Tomljanovic 3-6, 6-4, 7-5. Vesnina beat Svetlana Kuznetsova in the Indian Wells final last week.

In a match that took two days because of rain, No. 6 Garbine Muguruza rallied past Christina McHale 0-6, 7-6 (6), 6-4. No. 3-seeded Simona Halep beat Naomi Osaka 6-4, 2-6, 6-3.

On the men's side, No. 3 Milos Raonic won in his first match since Feb. 25, beating Viktor Troicki 6-3, 7-5. Raonic had been sidelined by a right leg injury.

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No. 7 Marin Cilic lost to Jeremy Chardy 6-4, 2-6, 6-3.