Jelena Jankovic crushed leg-weary Caroline Wozniacki to reach the semi-finals, while American Venus Williams joins her sister in the final stages, having reached the last four without hitting a ball.
In the opening day of the WTA Championships, Serena Williams bettered Russia's Svetlana Kuznetsova, while sister Venus suffered a shock defeat. Jelena Jankovic lost her opener against Victoria Azarenka of Belarus.
Dinara Safina of Russia has bounced back to the top of the WTA ranking on the eve of the season-ending Doha tournament, where the top eight players on the women's circuit will face-off for the $4.55 million jackpot.
Following in the steps of compatriot Kim Clijsters, former world number one and seven-time Grand Slam winner Justine Henin (photo) on Tuesday confirmed growing speculation about her return to the WTA tennis circuit by announcing her comeback.
Belgium's Justine Henin is set to make a televised appearance Tuesday evening amid growing speculation that the former world number one will follow Belgian compatriot and old rival Kim Clijsters in announcing a comeback.
American tennis star Serena Williams has been levied the maximum possible fine of 10,000 US dollars for unsportsmanlike conduct after her unsavoury outburst against a line judge during her semi-final against Kim Clijsters. A probe is also underway.
Defending US Open champion Serena Williams will play comeback queen Kim Clijsters (picture) on Thursday for a place in the final. Both players sailed through their quarter-finals in straight sets.
Seventeen-year-old US revelation Melanie Oudin (photo) defeated Russia's Nadia Petrova, ranked 13, to advance into the US Open quarter-finals. The teenager has already beaten the Russians Elena Dementieva and Maria Sharapova.
Second-seeded defending champion Serena Williams swept into the last eight at the US Open as she won over Daniela Hantuchova (6-2, 6-0) on Sunday. But her sister Venus suffered a dramatic loss to Kim Clijsters 6-0, 0-6, 6-4.
Second-seeded defending champion Serena Williams swept into the last eight at US Open as she won over Daniela Hantuchova (6-2, 6-0) on Sunday. She will face either Zvonareva of Russia or Pennetta of Italy for a place in the semi-finals.