The outcome was eyebrow-raising because of the wide gulf in experience and accomplishments between the two players at Margaret Court Arena.

At 19 years of age, Learner Tien becomes the youngest man to reach the Australian Open fourth round since Rafael Nadal.

Tennis legend Andre Agassi crafted his version of the perfect player, leaving out one of the “Big Three”—Novak Djokovic, ...

US qualifier Learner Tien stunned No.5 seed Daniil Medvedev beating him in five sets while Danielle Collins made an enemy of ...

Every elite tennis player can hit killer shots and ace their serves. So what separates the best from the rest?

Giant-killing Alex Michelsen has pulled off a Pete Sampras-like feat to power into the Australian Open fourth round in ...

There are six American men and five American women in the third round. Tommy Paul, Coco Gauff and Jessica Pegula all play Thursday. No. 17 Frances Tiafoe, a two-time U.S. Open semifinalist, was upset ...

American qualifier Learner Tien shocked the tennis world on Thursday when he upset last year's Australian Open runner-up Daniil Medvedev in a nearly five-hour, five-set match in the second round.

Two players could claim to be the world's best – but on different surfaces. How could the Roger Federer-Rafael Nadal debate be settled? One man had an idea.

seeing that from above, I saw a hybrid tennis court," said Del Campo, who had previously tried unsuccessfully to arrange a mixed-surface match between Pete Sampras ... of the best images that ...