Wozniacki among Seoul quarterfinalists - UPI.com Caroline Wozniacki, shown during the 2011 U.S. Open, was among second-round winners Thursday at the Korea Open tennis championship in Seoul. 1-seeded Caroline Wozniacki earned a place in the quarterfinals of the Korean Open tennis championship with a straight-set win Thursday. Wozniacki dispatched Caroline Garcia 6-2, 6-3 in a second-round match. Wozniacki won two-thirds of the points on serve and 53 percent when receiving. She had a pair of breaks in each set and lost her own serve only once. She advances to Friday's quarterfinals against seventh-seeded Klara Zakopalova, who was a 6-1, 7-6 (8-6) winner over Magdalena Rybarikova in her second-round match. Zakopalova fought off all five of the break points she faced. Also in that half of the draw Thrusday, eighth-seeded Ekaterina Makarova stopped Jamie Hampton 6-3, 7-5 behind four breaks. She is paired against Maria Jose Martinez Sanchez in the next round. Martinez Sanchez was given a walkover victory when fourth-seeded Nadia Petrova couldn't play due to a lower back injury. Other matches Thursday saw sixth-seeded Varvara Lepchenko defeat Anabel Medina Garrigues 6-4, 6-1 and Tamira Paszek breeze past Lee So-ra 6-2, 6-0 in 50 minutes. Lepchenko and Paszek are to play each other Friday. The fourth quarterfinal was set Wednesday with third-seeded Kaia Kanepi taking on Kiki Bertens.