The Williams sisters will hold another family reunion on centre court at the US Open after registering wins on Monday that set up a tiebreaking, sibling clash in the quarter-finals at Flushing Meadows.
It was a day of mixed fortunes for India at the French Open on Friday. Leander Paes sailed into pre-quarter-finals of the men's doubles, but Sania Mirza crashed out of the corresponding event for women. Sania and Taipei's Chia-Jung Chuang, seeded 14th, were knocked out 6-4, 6-7(5), 3-6 by the unseeded Polish pair of Agnieszka and Urszula Radwanska. Third seeds Paes and Lukas Dlouhy defeated James Cerretani and Sergiy Stakhovsky 4-6, 6-3, 6-2.
Serena Williams will try to take a step closer to history on Saturday when she plays her third-round match at the US Open.
Ana Ivanovic's preparations for her French Open title defence suffered a setback when she was knocked out of the Italian Open after a 6-1, 3-6, 6-4 third round defeat by Poland's Agnieszka Radwanska on Wednesday.
Former Wimbledon runner-up Eugenie Bouchard successfully negotiated the qualifying draw on Thursday, beating Colombian Mariana Duque-Marino 6-3, 6-2 to secure a spot in next week's main draw.
Polish teenager Agnieszka Radwanska won the biggest prize of her career when she beat Russian Nadia Petrova in a close-fought final at the Eastbourne International tournament on Saturday.
World No 3 Angelique Kerber beat qualifier Laura Siegemund 6-4, 6-0 on Sunday to defend her Stuttgart Grand Prix title and end her opponent's sensational run.
Justine Henin began the defence of her Eastbourne International title in fine style on Wednesday, beating Poland's Agnieszka Radwanska 6-4, 6-1 and looking every inch a grasscourt player.
Images from the matches played on Day 8 at the Australian Open at Melbourne Park on Tuesday
Maria Sharapova took a marathon three hours, 27 minutes to beat Medina Garrigues 7-6, 5-7, 7-6 while Amelie Mauresmo overcame Agnieszka Radwanska 3-6, 7-5, 7-6 to make it to the quarter-finals of the Amelia Island Championships.
Second-seeded Russian Svetlana Kuznetsova swept past Polish teenager Agnieszka Radwanska 6-2, 6-4 to reach the semi-finals at the Pacific Life Open on Wednesday. Kuznetsova, who was upset by Radwanska in the third round of the Australian Open in January, broke her 19-year-old opponent in the first and third games of the opening set on the Stadium Court.
Marion Bartoli stormed into her second Wimbledon final after routing Kirsten Flipkens of Belgium in straight sets in the first semi-final of the women's singles in London, on Thursday.
The Russian swept aside Danish teenager Caroline Wozniacki to set up a clash with Polish teenager Agnieszka Radwanska.
Top seed Agnieszka Radwanska had little trouble booking her spot in the semi-finals of the Pattaya Open after seeing off Thailand's Tamarine Tanasugarn 6-2, 6-3 on Friday.
World No 2 Svetlana Kuznetsova was dumped out of the Australian Open by Poland's Agnieszka Radwanska, while sixth seed Anna Chakvetadze lost to compatriot Maria Kirilenko in the third round.
Serbia's Novak Djokovic is the top seed in the men's draw which includes five-times US Open champion and 17-times Grand Slam winner Roger Federer as seventh seed - his first time the Swiss has been placed outside the top three in a Grand Slam in over ten years.
Serena Williams returned to Indian Wells on Friday after a 14-year boycott due to racist abuse she suffered in the 2001 final and got her bid for a third BNP Paribas Open title off to a winning, though somewhat error-prone, start.
France set up Saturday's Hopman Cup final with Poland after Alize Cornet and Jo-Wilfried Tsonga beat defending champions Spain 3-0 in the mixed teams event on Friday.
Britain's Johanna Konta overpowered Agnieszka Radwanska 6-4, 6-2 in a one-sided victory in the final of the Sydney International on Friday to claim her second career WTA title.
World number one Justine Henin brushed aside Polish teenager Agnieszka Radwanska 6-4, 6-2 in the quarter-finals of the Zurich Open on Friday to maintain her incredible run this year.
Simona Halep's powers of recovery will be put to the test on day eight of the Australian Open on Monday when the world number one meets Japan's Naomi Osaka in a tricky fourth round clash.
Andy Roddick blasted 19 aces to defeat Sweden's Thomas Johansson 6-2, 6-2, 6-0 in the third round.
Maria Sharapova's U.S. Open title defence ended in tatters on Saturday when she was stunned 6-4 1-6 6-2 by Polish teenager Agnieszka Radwanska in the third round.
Serena Williams can break Margaret Court's record of 24 Grand Slam singles despite being five short at an age when most players have retired, according to Martina Navratilova.
He leads the men's seedings ahead of defending champ Roger Federer, with Bulgarian Grigor Dimitrov seeded third.
Romania's Simona Halep kicked off her campaign for a maiden WTA Finals title in emphatic fashion with a thumping 6-0, 6-3 victory over US Open champion Flavia Pennetta in the opening match of the eight-woman season-ending tournament on Sunday.
Maria Sharapova is renowned for her sheer determination in the face of adversity but in Singapore on Saturday, the Russian was quick to cast doubt over her chances of winning the WTA Finals after an injury-ravaged second half of the season.
World No 3 Maria Sharapova withdrew on Monday from the end-of-season WTA Championship in Istanbul due to the shoulder injury that also kept her out of the US Open.
Russia's Svetlana Kuznetsova raced to a 6-2, 6-1 victory over Australian Daria Gavrilova to defend her Kremlin Cup title in Moscow on Saturday and secure a place at the season-ending WTA Finals.
Maria Sharapova will face Vera Zvonareva in an all-Russian final at the Qatar Open.
Marcos Baghdatis subdued world number 16 Kevin Anderson in the crucial men's singles as Pune Marathas lifted the inaugural Champions Tennis League (CTL) trophy with a 27-23 victory over Delhi Dreams in the final on Wednesday.
In the semi-finals of the Luxembourg Championship the teenager will play Italian fifth seed Francesca Schiavone.
Belgians Kim Clijsters and Justine Henin pounded their way into the fourth round of the Sony Ericsson Open on Sunday but Martina Hingis fell to a Polish teenager
Roger Federer suffered a shock 3-6, 6-3, 7-6(4) defeat to Australian wildcard Thanasi Kokkinakis on Saturday that will cost the Swiss his world number one ranking and leaves the Miami men's tournament wide open.
Maria Sharapova recovered from a second-set meltdown to record her first victory at this year's WTA Finals with a 7-5, 6-7(4), 6-2 triumph over Poland's Agnieszka Radwanksa on Friday but the Russian still bowed out of the elite eight-woman tournament.
American tennis ace Venus Williams has entered the top ten of latest WTA ranking following her victory in the Zhuhai Masters in China.
Polish fifth seed Agnieszka Radwanska was the highest women's casualty at the Miami Open on Saturday, blown away for the second time this year by Croatian Mirjana Lucic-Baroni.
A day after suffering her heaviest defeat since she was a teenager, Serena Williams was back to her brilliant best as she swatted aside Eugenie Bouchard 6-1, 6-1 in her final round robin match at the WTA Finals on Thursday.
The Former French Open champion lost to 17-year-old Agnieszka Radwanska in the first round of the Warsaw Cup.
She was beaten by 17-year-old Polish qualifier Agnieszka Radwanska in the second round of the Luxembourg Championship.