An intriguing clash awaits as American teenager Learner Tien faces Italy's Lorenzo Sonego in the Australian Open fourth round. Tien, ranked 121st, has captivated fans with his tactical brilliance ...

Tien advanced Saturday by beating Corentin Moutet of France 7-6 (10), 6-3, 6-3 in a relatively leisurely 2 hours, 49 minutes — two hours shorter than his five-set marathon win that ended at ...