But Kvitova is back to her purposeful best .
But Kvitova brushed aside shock French Open quarter - final opponent Yaroslava Shvedova , despite the world no144 surprising defending Roland Garros champion Li Na in three sets .
But Kvitova is back to her purposeful best and brushed aside shock French Open quarter - final opponent Yaroslava Shvedova , despite the world no144 surprising defending Roland Garros champion Li Na in three sets .