American Qualifier

Vinci, Zakopalova Reach Open GDF Suez Quarters

Paris, Feb 9: Roberta Vinci beat American qualifier Bethanie Mattek-Sands 6-3, 1-6, 6-3 Thursday to reach the quarterfinals of the Open GDF Suez.The seventh-seeded Italian broke twice in the final set, clinching victory when Mattek-Sands