Rising American star Alex Michelsen has pulled off another surprise victory to reach the fourth round of the Australian Open.

Giant-killing Alex Michelsen can scarcely believe he's reached the Australian Open fourth round after pulling off a Sampras, ...

American qualifier Learner Tien, youngest man in 20 years to reach Australian Open fourth round, continues fairytale run.

American qualifier Learner Tien became the youngest man to reach the Australian Open fourth round in 20 years as he beat an ...

US Open semi-finalist Emma Navarro credited her billionaire father for teaching her "toughness" as beat Ons Jabeur to reach ...

U.S. tennis legend Andy Roddick has weighed in on the greatest player from the "Big Three" — Novak Djokovic, Roger Federer, ...