More players reveal match-fixing approaches on Tuesday as the Australian Open Grand Slam tournament came under close scrutiny following claims that corruption in tennis was widespread.

Novak Djokovic and Roger Federer are poised to become the first $100 million men in tennis in 2016, in a gripping sub-plot to the new Grand Slam season.

Barcelona star Leo Messi races against speedster Usain Bolt and American Pharoah, the first horse to win the Grand Slam of American horse racing, for the Sports Illustrated's annual prize.

Novak Djokovic clinched his third Grand Slam title of 2015 and 10th career major with a 6-4, 5-7, 6-4, 6-4 triumph over sentimental favorite Roger Federer in the US Open final.

"Fantastic Friday" at the US Open sees Serena Williams, Novak Djokovic and Roger Federer in starring roles.

Serena Williams defeats her sister Venus at the US Open to move within two victories of her first calendar Grand Slam.

Serena Williams tries to reach the US Open fourth round while Novak Djokovic and Rafael Nadal also seek last-16 berths.

Novak Djokovic and Andy Murray meet for the 27th time on Friday with a French Open final place at stake and with history on their shoulders.

The two great rivals meet for the 44th time and for the fourth year in succession at Roland Garros.

Grand Slam old guard Novak Djokovic and Andy Murray put next generation hopefuls Thanasi Kokkinakis and Nick Kyrgios firmly in their place Saturday with comfortable French Open third round wins.

Novak Djokovic and Serena Williams as well as nine-time champion Rafael Nadal and in-form Andy Murray serve up a Saturday special at the French Open.

Andy Murray and Heather Watson face familiar opponents in the French Open second round on Thursday.

Top seed and defending champion Novak Djokovic will face second seed Roger Federer in Sunday's Italian Open final after both claimed straight sets wins.

World No. 1 Novak Djokovic took another step towards defending his Indian Wells title with a hard-fought 6-4, 7-6 (7/5) win over American John Isner.