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.

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 ...

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.

(Lukas Coch/AAP PHOTOS) Giant-killing Alex Michelsen has pulled off a Pete Sampras-like feat to power into the Australian ... “I was hitting my forehand unbelievable. I’ve never hit my forehand that ...

(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 ...

(AP Photo/Ng Han Guan) Learner Tien of the U.S. plays a forehand return to Daniil Medvedev ... reach the Australian Open's third round since Pete Sampras in 1990, upsetting a racket-tossing ...

Tien survived against the more experienced opponent and became the youngest American in the Australian Open third round since Pete Sampras in ... a lucky net cord forehand down the line winner ...

Schoolkate was able to offer some resistance in the final set, bravely fending off six break points at one stage, but Sinner served out the win, clattering a forehand winner on his first match point.