Young gun Alex Michelsen has achieved a 35-year American first with an inspired run to the Australian Open's last 16 at ...

Young gun Alex Michelsen has achieved a 35-year American first with an inspired run to the Australian Open's last 16 at ...

But the 19-year-old tapped into his last reserves of energy to become the youngest American man to reach the third round of the Australian Open since Pete Sampras did so aged 18 in 1990.

Since hiring her new coach Matt Daly, Gauff has made rapid progress with the two main flaws in her game, her grip and forehand ... who coached the likes of Pete Sampras and Maria Sharpovra.

(AP Photo/Ng Han Guan) Learner Tien of the U.S. plays a forehand return to Daniil Medvedev of Russia ... became the youngest American man to reach the Australian Open's third round since Pete Sampras ...

And he’s the youngest American man in the third round in Melbourne since Pete Sampras in 1990 ... Medvedev then sailed a forehand long to make it 6-all. Tien then hit a running forehand passing ...

Tien failed to close out the set when serving at 6-5 but snatched the tiebreak with an ice-cool forehand winner. Any question that he might start flagging against one of the sport's most durable ...

Tien failed to close out the set when serving at 6-5 but snatched the tie-break with an ice-cool forehand winner. Any question that he might start flagging against one of the sport’s most ...

Tien failed to close out the set when serving at 6-5 but snatched the tiebreak with an ice-cool forehand winner. Any question that he might start flagging against one of the sport's most durable ...