Mats Wilander

Kvitova defeated herself

Mats Wilander

Maria Sharapova is through to French Open final after beating Petra Kvitova, though the Czech did herself few favours in their last four clash, according to Mats Wilander.

The Russian secured a 6-3 6-3 win over Petra Kvitova that put her top of the world rankings and is now two sets away from completing a career Grand Slam, but Wilander believes a much tougher test will await in the final against underdog Sara Errani.

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