Ana Ivanovic hasn't made it out of the fourth round of a major since rising to No. 1.
WSJ: Victoria Azarenka: One Is a Lonely Number in Women's Tennis
Jankovic will take over the world number one ranking from fellow Serb Ana Ivanovic if she wins the title.
Third-seed Nadia Petrova also advanced to the last eight after beating Ana Ivanovic, of Serbia and Montenegro, 7-5 6-3.
Second-seeded Jelena Jankovic and sixth seed Ana Ivanovic set up an all-Serb clash.
The No. 1 ranked player the past three years has included Ana Ivanovic, Jelana Jankovic, Dinara Safina and Carolyn Wozniacki.
Ana Ivanovic, a former No. 1 from Serbia, will team with Nenad Zimonjic, one of the world's best doubles players.
WSJ: The Courtship of Serena Williams for Olympic Tennis Gold
The 2008 champion Ana Ivanovic is unseeded this year having dropped sharply down the rankings through poor form and injuries.
The Belgian will now play third seed Ana Ivanovic in the semis after she defeated Russian Anastasia Pavlyuchenkova 6-2 7-6.
But Serbian pair Ana Ivanovic and Jelena Jankovic were third round casualties, losing to Romina Oprandi and Carla Suarez-Navarro respectively.
Jankovic will play fellow Serbian Ana Ivanovic in a battle of former world No. 1s after both were given first-round byes.
Another feature match on Monday sees Australia's Jelena Dokic take on former world number one Ana Ivanovic on Pat Rafter Arena.
In a later second round match, former wordl number one Ana Ivanovic of Serbia beat Switzerland's Timea Bacsinszky 6-2 2-6 6-4.
Former world No. 1 Ana Ivanovic , the 23rd seed, had a comfortable 6-0 6-3 defeat of Spain's Lourdes Dominguez Lino.
Another golfer, Australia's Adam Scott, has recently rekindled his romance with glamorous Serbian tennis star Ana Ivanovic, the 2008 French Open champion.
Since Ana Ivanovic took the top spot by winning the 2008 French Open, no No. 1 has played up to the part.
Polish sixth seed Agnieszka Radwanska defeated former world No. 1 Ana Ivanovic 7-5 7-5 to set up a clash with Kazakhstan's Yaroslava Shvedova.
CNN: Champion Murray battered by Fish in another Miami upset
World number one Jankovic, the top player in the absence through injury of compatriot Ana Ivanovic, brushed aside Ukraine's Alona Bondarenko 7-5 6-1.
But fourth seed Ana Ivanovic was in sensational form as she crushed Tathiana Garbin 6-0 6-3 in the opening match of Wednesday's night session.
Elsewhere former women's world number one Ana Ivanovic lost to 21-year-old German wild-card Mona Barthel in the first round of Stuttgart's clay-court WTA tournament.
Three-time Miami champion Venus Williams continued her winning comeback from longterm illness, beating fellow former world No. 1 Ana Ivanovic 6-7 (4-7) 6-2 6-2.
Svetlana Kuznetsova gave Russia, beaten by Italy in last year's semifinals, a 1-0 lead when she defeated former world No. 1 Ana Ivanovic 6-1 6-4.
He canceled his post-match press conference while he received treatment, but did return later to play in the mixed doubles with Serbian teammate Ana Ivanovic.
After being taken the distance by Lucie Safarova and Ana Ivanovic in the previous two rounds, Sharapova dominated the first set of the semifinal breaking Kerber twice.
Last year's champion Ana Ivanovic has slipped to eighth in the world rankings, while the top four ranked players have only one French Open title between them.
Zheng will now face in-form Australian Samantha Stosur, who put out former world No. 1 Ana Ivanovic, the sixth seed from Serbia, 6-3 6-2, avenging a defeat at Wimbledon.
U.K. designers including Burberry's Christopher Bailey, Matthew Williamson, Giles Deacon and Richard Nicoll created dresses for the opening party, dressing the likes of Li Na (Deacon) and Ana Ivanovic (Williamson).
Eighth seed Victoria Azarenka made an early exit after she retired due to a thigh injury when leading Timea Bacsinszky 6-4 2-3, while Ana Ivanovic swept past Olga Govortsova 6-0 7-5.
Meanwhile, former world number one Ana Ivanovic continued her disappointing grand slam form since winning the 2008 French Open as she was bundled out by 36th-ranked Gisela Dulko 6-7 7-5 6-4.
They were joined in the second round by 13th seed Samantha Stosur of Australia, Russian 19th seed Nadia Petrova and former world No. 1 and 2008 finalist Ana Ivanovic, seeded 20th.
World No. 1 Novak Djokovic will play in Saturday's final of the Hopman Cup teams event after he and Serbian playing partner Ana Ivanovic whitewashed Germany 3-0 in Perth on Friday.
应用推荐