Learner Tien, a 19-year-old from California, toppled No. 5 seed Daniil Medvedev at the Australian Open. He’s now the youngest ...

Aleksandar Vukic lost the match but won admirers around the world after playing "some of the best tennis you will see." ...

Former grand slam champions clash in the first match on Rod Laver Arena, followed by Australian hopeful Alex de Minaur. Follow live.