Petra Kvitova stunned favourite Maria Sharapova to win her first Grand Slam title with a 6-3, 6-4 victory in the women's singles final at Wimbledon on Saturday. The 21-year-old eighth seed became only the third Czech woman to triumph at Wimbledon after nine-time champion Martina Navratilova and Jana Novotna, who were both in Centre Court's royal box to witness the victory. Kvitova, who had never appeared in a Grand Slam final before, collapsed to the turf in delight after clinching the title in the 10th game of the second set with her first ace of the match. "It's hard to find some words, to see the great players in the royal box," said Kvitova, the first left-hander since Navratilova in 1990 to win