Tien caused an upset at the Australian Open on Thursday, dumping out No. 5 seed Daniil Medvedev in a five-set thriller.
Tien, ranked 121 in the world, bounced back from a break down in each of the first two sets en route to a major upset on ...
Furious Daniil Medvedev battles qualifier Learner Tien, Emma Raducanu issues injury update - Raducanu set up a clash with Iga ...