Sport World sport
Zheng Jie set another national mark by becoming the first Chinese player to reach the Australian Open quarterfinals when she beat Alona Bondarenko 7-6 (6), 6-4.
The 26-year-old Zheng had already matched her own previous best run at Melbourne Park by reaching the fourth round, but is still a win away from equaling her best performance at a Grand Slam tournament.
She made a stunning charge to the Wimbledon semifinals in 2008, becoming only the second wild-card entry to reach the semis at a major and ousting then No. 1-ranked Ana Ivanovic along the way.
Andy Murray overcame big-serving American John Isner 7-6 (4), 6-3, 6-2 to set up a possible quarterfinal match against defending champion Rafael Nadal at the Australian Open.
Sixth-seeded Davydenko beat Argentina's Juan Monaco 6-0, 6-3, 6-4 to set up the fourth-rounder against Verdasco, who advanced when Stefan Koubek retired because of a virus after losing the opening set 6-1.
Jo-Wilfried Tsonga, the 2008 runner-up, beat Tommy Haas to advance 6-4, 3-6, 6-1, 7-5. Next for him is Nicolas Almagro of Spain, who beat Colombia's Alejandro Falla 6-4, 6-3, 6-4.
The Williams sisters moved a step closer to a semifinal meeting, with defending champion Serena beating No. 32 Carla Suarez Navarro 6-0, 6-3 and Venus advancing 6-1, 7-6 (4) over Australian wild-card entry Casey Dellacqua.
U.S. Open runner-up Caroline Wozniacki downed Israeli Shahar Peer 6-4, 6-0 to set up a fourth-round against China's Li, who advanced 7-5, 3-6, 6-2 over 2008 semifinalist Daniela Hantuchova.
