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Milos Raonic, a young Canadian tennis player who recently upset No.10 seed Mikhail Youzhny at the 2011 Australian Open.
Unranked Serbian born Canadian who is in the 4th round of the Australian Open.
Marin Cilic, the 15 seed at this year's Australian Open, dismissed Donald Young in straight sets on Tuesday.
Serbian Janko Tipsarevic was defeated by Fernando Verdasco of Spain after a 5 set marathon. He lost the match 6-2 6-4 4-6 6-7 0-6. After leading 2 sets to love.
Melzer defeat Djokovic in an intense 5 set Quarterfinals match at the French Open.
Caroline Wizniacki defeated Maria Sharapova 6-3 6-4 in the 4th round of the US Open on September 6th.
Taking the court first in the Barclays ATP World Tour finals is No.3 seed Novak Djokovic who will be taking on No.6 Tomas Berdych.
Samantha Stosur beat Elena Dementieva in a very close fourth round match at the US Open. She won 6-3, 2-6, 7-6.
Tennis players Novak Djokovic and Ivan Dodig are evenly matched in the second round of the Australian Open.