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‘Pretty crazy’: Tien youngest since Nadal into Australian Open last 16
At 19 years of age, Learner Tien becomes the youngest man to reach the Australian Open fourth round since Rafael Nadal.
Australian Open: Jannik Sinner, Gael Monfils, Learner Tien and Alex Michelsen all through to fourth round
Jannik Sinner continues Australian Open defence with straightforward win; Gael Monfils, 38, dumps out fourth seed Taylor ...