And on a sunny day in the charming Czech city of Prostejov, this is where Petra Kvitova was gearing up for her title defense at Wimbledon -- the tournament that shot her to stardom as a shy 21-year-old when she won it for the first time in 2011.

And on a sunny day in the charming Czech city of Prostejov, this is where Petra Kvitova was gearing up for her title defense at Wimbledon -- the tournament that shot her to stardom as a shy 21-year-old when she won it for the first time in 2011.

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Petra Kvitova: 'Knife attack has changed my outlook on life'

Petra Kvitova says her perspective on life has changed since the knife attack that threatened to cut her tennis career short.