Rafael Nadal didn't show any side effects from a lack of match practice while beating former top-10 player Mikhail Youzhny 6-3, 6-2, 6-2 in the first round of the Australian Open on Monday.
Juan Martin del Potro, Jo-Wilfried Tsonga and Roger Federer find themselves at crossroads as the 2014 season kicks off.
U.S. Open champion Andy Murray has reached the Australian Open semifinals after a 6-4, 6-1, 6-2 win over unseeded Jeremy Chardy of France.
Roger Federer beat Milos Raonic 6-4, 7-6, 6-2 Monday at the Australian Open to gain his 35th consecutive Grand Slam quarterfinal.
Maria Sharapova beat Kirsten Flipkens 6-1, 6-0 on Sunday to continue a dominant and unparalleled run to the Australian Open quarterfinals.
Sixth-seeded Juan Martin del Potro became the first major casualty of the Australian Open when he lost in five sets Saturday to Jeremy Chardy of France.