Laura Robson crashed out of the Southern California Open after a comprehensive defeat to third seed Petra Kvitova in round three of the competition.
The Brit was blown away by the former Wimbledon champion as she won just three games in a 6-1 6-2 defeat in Carlsbad.
After some impressive victories this year, including a win over Kvitova at the Australian Open, Robson had climbed to 32 in the rankings, however she was unable to replicate her fine form.
The 19-year-old struggled with her serve throughout as she made only 41% of first serves during the opening set with her Czech opponent breaking her twice.
Robson improved slightly in the second showing some resistance during an exchange of breaks, however never really trouble the third seed who raced to victory with two further service breaks in just 75 minutes.
The result comes as a disappointment to the teenager after her recent success at Wimbledon, where she made the last 16, and with the US Open fast approaching she will need to improve.
Kvitova will now face either Virginie Razzano or Carla Suarez Navarro in the quarter finals, while Robson will continue her preparation in Toronto at the Rogers Cup.
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