American Shelby Rogers ousted sixth seed Petra Kvitova in the fourth round of the U.S. Open on Sunday, winning 7-6(5) 3-6 7-6(6) in one of the most tightly-contested matches of the tournament so far.
Rogers saved four match points in a strong defensive effort that saw her commit a dozen fewer unforced errors than her opponent, as the twice Wimbledon champion struggled with her serve and committed seven double faults, including one late in the third-set tiebreak.
The 27-year-old flipped her racket, pumped her hands and screamed as she booked her first-ever U.S. Open quarter-final berth inside Louis Armstrong Stadium.
Rogers, who lost in the semi-finals at Lexington last month, will next face either fourth seed Naomi Osaka of Japan or Estonia's Anett Kontaveit.
(Reporting by Amy Tennery; Editing by Toby Davis)
