Eighth-seeded Belinda Bencic of Switzerland cruised to a 6-4, 6-2 victory over Germany's Nastasja Schunk on Monday in the first round of the Porsche Tennis Grand Prix at Stuttgart, Germany. Bencic completed the victory over the 17-year-old Schunk in one hour and 28 minutes. Schunk made it into the main draw with two qualifying victories. The day's only other first-round match featured Maria Sakkari and the Greek recorded six aces while posting a 6-2, 6-2 victory over German wildcard Andrea Petkovic. Sakkari won