Ivanovic, Peng among winners in Birmingham

BIRMINGHAM, England, June 9 (UPI) -- Ana Ivanovic and Peng Shuai posted straight-set victories Thursday in third-round action at the Aegon Classic tennis tournament in England.

Ivanovic, seeded No. 2 after given wild-card entry into the draw, raced past 13th-seeded Rebecca Marino 6-3, 6-2. Ivanovic dropped only 10 points over nine services games and won 79 percent of the points on serve.

The third-seeded Peng, like Ivanovic, didn't face a break point in a 7-6 (7-1), 6-1 win over Heather Wilson. Peng lost three points on serve in the second set, during which she finished off three of four break-point chances.

Fourth-seeded Daniela Hantuchova and No. 14-seeded Magdalena Rybarikova also won Thursday. Along with Ivanovic and Peng they are the only seeded players left as the tournament heads into quarterfinal play.

Hantuchova defeated 16th-seeded Alla Kudryavtseva 6-4, 6-2 and Rybarikova dominated the second and third sets in topping Arina Rodionova 6-7 (1-7), 6-0, 6-1.

Marina Erakovic won her second consecutive match against a seeded player, beating seventh-seeded Sara Errani 5-7, 6-4, 6-3, and Alison Riske ousted No. 8-seeded Aravane Rezai 7-5, 6-7 (6-8), 6-2.

Also winning third-round matches Thursday were Sabine Lisicki and Mirjana Lucic.

The quarterfinal pairings for Friday have Rybarikova going against Lisicki and Peng playing Erakovic on the left half of the bracket while Riske faces Hantuchova and Ivanovic meets Lucic on the right side.