seattlepi.comKvitova beats Sharapova 6-3, 6-2 at WTA Finalsseattlepi.comSINGAPORE (AP) — Petra Kvitova beat Maria Sharapova 6-3, 6-2 at the WTA Finals on Thursday, further eroding the Russian player's hopes of claiming the year-end No. 1 ranking. Sharapova, who needs to win the title to have a chance of overtaking Serena ...Kvitova sees off Sharapova at WTA FinalsTODAYonlineWilliams on verge of year-end No.