Jannik Sinner in a hurry to book place in quarter-finals

The world number one needed just an hour and 21 minutes to race to a 6-1 6-1 6-1 win against Alexander Bublik.

Jannik Sinner reacts after winning a point against Alexander Bublik. Pic: Adam Hunger/AP

Jannik Sinner claimed his quickest grand slam victory with a brutal destruction of Alexander Bublik in the fourth round of the US Open.

The world number one dropped his first set of the tournament to Denis Shapovalov in the third round and had looked a little vulnerable, but he needed just an hour and 21 minutes to race to a 6-1 6-1 6-1 win against Bublik.