The 19-year-old from Irvine, California nearly lost a two-set lead from match point up but held off a late surge from a former world No. 1 to win the biggest match of his career.

Learner Tien beats Daniil Medvedev, is youngest American man in Australian Open’s 3rd round since Pete Sampras in 1990 ...

Friday, Jan. 17 TNT — Unrivaled Basketball League: Mist vs. Lunar Owls, Medley, Fla. TRUTV — Unrivaled Basketball League: Mist vs. Lunar Owls, Medley, Fla. (DataCast) ...

On Thursday, the world No. 4 announced the prize money earned from his first-round win at the Australian Open over Jenson Brooksby—about $82,000—would be donated to wildfire relief funds in Los ...

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

Kyrgios’ Grand Slam return is over after he and partner Kokkinakis stopped playing while trailing in the second set of their first-round doubles match.

Rowdy fans at the Australian Open’s Court 6—a venue equipped with a bar—grew so loud that a nearby match was moved to a different arena.

Danielle Collins has gotten into a back-and-forth with a booing crowd at the Australian Open after eliminating a local player ...

Ha! Jannik Sinner roasts John McEnroe's 'different mentality' during Australian Open on-court interview ...

Australian Open: Jannik Sinner interviewed by John McEnroe after four-set test from Tristan Schoolkate ...

The 18-year-old reflects on losing his first five-set match to Lorenzo Sonego in the second round Thursday.

The 18-year-old was "more nervous" Thursday after announcing himself with a convincing Top 10 win at the Australian Open.