STUTTGART, Germany (AP) Two-time Wimbledon champion Petra Kvitova swept past qualifier Luisa Chirico 6-0, 6-0 on Tuesday to reach the second round of the WTA Porsche Cup.
The fifth-seeded Kvitova needed only 55 minutes to dismiss the American, winning 17 of 19 first-serve points. The Czech also faced only one break point.
Two Germans also advanced to the second round of the indoor clay tournament with straight-set wins.
Annika Beck beat ''lucky loser'' Camila Giorgi 6-4, 6-2 and qualifier Laura Siegemund defeated Anastasia Pavlyuchenkova of Russia 6-0, 7-5, coming back from a break down in the second set.
Giorgi had replaced Italian countrywoman Sara Errani, who pulled out with a right-leg injury.