Ex-champ Radwanska wins opening match in Miami

Agnieszka Radwanska. (J Pat Carter/AP)

KEY BISCAYNE, Fla. — Former champion Agnieszka Radwanska won her opening match at the Miami Open on Thursday, beating Anna Schmiedlova 6-4, 7-5.

Radwanska, the 2012 champion, has advanced to at least the quarterfinals each of the past five years. She’s seeded seventh, and all seeded players had first-round byes.

No. 9 Andrea Petkovic beat American Christina McHale 6-2, 6-2. No. 2 Maria Sharapova and No. 16 Venus Williams were scheduled to play their opening matches later Thursday.

On the men’s side, American Steve Johnson lost to Mikhail Kukushkin 6-4, 3-6, 6-2. Marcos Baghdatis lost to Simone Bolelli 6-2, 6-2.

Martin Klizan won and will face No. 1 Novak Djokovic in the second round Saturday night.

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