Second round action at Australian Open
Second round matches under way at Australian Open inlcude Canadian Eugenie Bouchard's defeat against fourth seed Agnieszka Radwanska of Poland.
Eugenie Bouchard of Canada makes a forehand return to Agnieszka Radwanska of Poland during their second round match at the Australian Open tennis championships at Melbourne Park, Australia.Vincent Thian/The Associated Press
Serbia's Novak Djokovic stretches to hit a shot during his second round match against France's Quentin Halys at the Australian Open tennis tournament at Melbourne Park, Australia.Thomas Peter/Reuters
Australia's Lleyton Hewitt reacts during his first round match against compatriot James Duckworth at the Australian Open tennis tournament at Melbourne Park, Australia.Thomas Peter/Reuters
Novak Djokovic of Serbia plays in his second round match against Quentin Halys of France during day three of the 2016 Australian Open at Melbourne Park, Australia.Scott Barbour/Getty Images
Australia's Daria Gavrilova loses control of her racquet during her women's singles match against Czech Republic's Petra Kvitova at Melbourne Park, Australia.William West/AFP / Getty Images
Serbia's Novak Djokovic signs autographs after winning his second round match against France's Quentin Halys at the Australian Open tennis tournament at Melbourne Park, Australia.Thomas Peter/Reuters
Quentin Halys of France stretches to play a backhand in his second round match against Novak Djokovic of Serbia at Melbourne Park, Australia.Mark Kolbe/Getty Images
Puerto Rico's Monica Puig celebrates after winning her second round match against Czech Republic's Kristyna Pliskova at the Australian Open tennis tournament at Melbourne Park, Australia.Jason Reed/Reuters
Serbia's Novak Djokovic hits a shot during his second round match against France's Quentin Halys at the Australian Open tennis tournament at Melbourne Park, Australia.Thomas Peter/Reuters
Canada's Eugenie Bouchard serves during her second round match against Poland's Agnieszka Radwanska at the Australian Open tennis tournament at Melbourne Park, Australia.Thomas Peter/Reuters