Jannik Sinner advanced to the Australian Open quarter-finals, overcoming illness, while Lorenzo Sonego ended Learner Tien's dream run. Madison Keys surprised Elena Rybakina, and Elina Svitolina ...

But American teenage qualifier Learner Tien's fairytale run is over after he suffered a thigh problem in a four-set defeat to Italy's Lorenzo ... Svitolina beat Veronika Kudermetova – then ...

But American teenage qualifier Learner Tien’s fairytale run is over after he suffered a thigh problem in a four-set defeat to Italy’s Lorenzo ... Svitolina beat Veronika Kudermetova -- then ...

But American teenage qualifier Learner Tien's fairytale run is over after he suffered a thigh problem in a four-set defeat to Italy's Lorenzo Sonego in Melbourne ... Ukraine's Elina Svitolina beat ...

Jannik Sinner battled through illness to reach the quarter-finals of the Australian Open on Monday as his Italian compatriot Lorenzo Sonego ended teenager Learner Tien's fairytale run.

But American teenage qualifier Learner Tien’s fairytale run is over after he suffered a thigh problem in a four-set defeat to Italy’s Lorenzo Sonego in Melbourne. Five-time major champion ...