Learner Tien has stunned the tennis world, claiming an upset victory over Daniil Medvedev at the Australian Open.
American tennis pro Danielle Collins didn't let the heckling crowd at the Australian Open get the best of her during her second-round victory on Tuesday.
Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third ...
Inspired American teenager Learner Tien outlasted three-times Australian Open runner-up Daniil Medvedev to reach the third ...