Olga Danilovic marches on to third round!

Serbian tennis player Olga Danilovic Source: Jack Thomas/Getty Images

Young Serbian player gave Chinese Shuyue Ma a lesson in tennis with a superb 6-3, 6-1 win in second round match at Australian Open Junior Girls tournament. In seniors competetion, Serena williams and Roger federer advanced to quarterfinals, Andy Murray and Angelique Kerber suffered schock defeats...

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