Iga Swiatek didn't feel as if she dare celebrate her 23rd birthday until she had done her day job properly.
But the world No.1 broke into beaming smiles once she had demolished Marie Bouzkova, eased into the last 16 of the French Open and had the Roland Garros crowd serenade her.
The champion had just about survived in the previous round when she was match point down to Naomi Osaka, but she made light of beating the Czech Bouzkova 6-4 6-2 before the chorus of "Happy Birthday" resounded round Court Philippe Chatrier on Friday.
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