There is no longer any doubt that Jannik Sinner is the best player in the world. The Italian champion won his second title in ...

There are three American men aged 23 and under in the second week of a Grand Slam. That hasn't happened since 2003 ...

Two friends from California, Learner Tien and Alex Michelsen, have both reached the fourth round at the Australian Open. Tien ...

Get comprehensive coverage of the California issues you care about the most in one free, weekly email. Sign up for WeeklyMatters. Map of active wildfires burning across California. Explore the history ...

The Irvine native and 19-year-old qualifier, who played one semester at USC, wins a 4-hour, 49-minute thriller that ends at ...

At the age of 19, Learner Tien defeated Daniil Medvedev in a five-set thriller that finished just before 3 a.m. in Melbourne.

Learner Tien has become the youngest American man to reach the Australian Open’s third round since Pete Sampras in 1990. Tien ...

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.Tien ...