Serena Williams given first-set scare

Teenager Simona Halep gave defending champion Serena Williams a scare by taking the first set with some outstanding groundstrokes in their second-round match at Wimbledon.

But the 19-year-old Halep's inexperience began to show and Williams went on to win 3-6 6-2 6-1 Seventh seed Williams will face Maria Kirilenko in the next round.

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