article_snippet: The world No 2 admitted having trouble in the second set before setting up a clash with Victoria Azarenka .
article_snippet: No 2 Sharapova said in a courtside interview. '
article_snippet: I started the match well but the second set was a different story.'
article_snippet: The Canadian was ponly on court for just under an hour before breezing into the third round .
article_snippet: I was nervous in the beginning,' the 33-year-old from Brindisi, a winner of 10 WTA titles, said after ending the match with a rasping forehand crosscourt winner. '