Tien, 19, become youngest American man to reach the Australian Open's third round since Pete Sampras did so aged 18 in 1990.

The 19-year-old who was a late qualifier to the Grand Slam secured the biggest win of his young career on Thursday ...

World No.1 Jannik Sinner brought his on-court interview with John McEnroe to an abrupt end after a lighthearted discussion ...

The final match of the day saw American Learner Tien, playing in his first major outside of the U.S. Open, upset No. 5 seed ...

World number one Jannik Sinner dropped a set for the first time in 14 matches on Thursday before surging back to keep his ...

Defending champion Jannik Sinner’s consecutive-sets streak has ended in the second round of the Australian Open.

Defending champ Jannik Sinner drops set for first time since October, but rallies for win; American Danielle Collins plays ...

MELBOURNE—Iga Swiatek romped into a third-round showdown with Emma Raducanu in the Australian Open on Thursday while Taylor ...

Iva Jovic of the U.S. plays a backhand return to Elena Rybakina of Kazakhstan during their second round match at the ...

Sinner lightly roasted the former world No. 1, who was hosting the on-court interview following his four-set victory over Tristan Schoolkate.

Tennis Focus, Hot Topics Jannik Sinner praised the Australian fans after reaching the third round of the Australian Open.

Defending champion Jannik Sinner had his feathers ruffled early on by local wildcard Tristan Schoolkate on Thursday before ...