Being one of the moms on the WTA Tour, former World No.1 Victoria Azarenka was a surprise guest at her son Leo's school, where she showed off her Olympic medals.

The former No. 1 brought her Olympic medals to share with the class, and received handwritten thank-you letters from her son's classmates.

Sam Sumyk, the coach of Victoria Azarenka, says fatigue was a factor in the final set of the Belarusian's 7-5, 6-7 (6), 6-1 loss to Serena Williams in the U.S. Open final. Azarenka came back from ...