This year's WTA championships pays the winner $1 million, equalling the largest prize in women's sport.
Venus Williams and Vera Zvonareva registered second-round victories at the Advanta Championships in Philadelphia on Thursday.
Venus Williams swept past fellow American Lisa Raymond 6-2, 6-1 in Philadelphia on Tuesday.
The duo's feat of setting up the first all-Russian Grand Slam final at the French Open was hailed as a great victory for all of Russian sport.
The world number one who won the Dubai Open on Saturday is hot favourite to complete a Gulf double at the Qatar Open.
Agassi and Mauresmo, both seeded fourth, hammered their way into the third round of the opening Grand Slam of the year.
Venus Williams will take on Lindsay Davenport while Serena Williams will duel with Jennifer Capriati.
Unlike previous years when there seemed to be only a small handful of genuine contenders, there are as many as a dozen women vying for the crown this season.
Williams's last Grand Slam victory came 18 months ago at Wimbledon, and her form and fitness since returning to the tour after an eight-month layoff have been inconsistent.
Martina Navratilova will have the chance to crown her remarkable career with Olympic gold in August.
Belgium's Justine Henin- Hardenne secured the year-end number one ranking in resounding fashion on Friday.
Revenge will again be in the air when the top seed meets Henin in a semi-final grudge rematch on Thursday.
Lindsay Davenport and Jennifer Capriati will clash for a place in the final of the Bausch and Lomb championships.
Former world number ones Lleyton Hewitt and Jennifer Capriati were also shown the exit door in the Nasdaq 100 Open.\n\n
The second seed was treated by medical staff after cramping during \n\nher semi-final win over Jennifer Capriati.
U.S. captain Billie Jean King called up the big guns for the tie against the Czech Republic.
The Belgian rallied from the brink of defeat to beat Amelie Mauresmo in the final of the Romes Masters.
Most expressed shock and a degree of sympathy for Maria Sharapova others were less charitable.
Despite a slight waver following her win over Venus Williams, Cori Gauff has taken the attention in her stride so far at the All England Club.
Naomi Osaka beat Jennifer Brady to win her second Australian Open title and fourth Grand Slam crown, extending her win streak to 21 matches.
A factfile on Serena Williams's controversial moments with officials at the US Open following her defeat to Japan's Naomi Osaka in Saturday's final.
By losing, Ostapenko joins a ignominious group including, as well as Myskina, Steffi Graf, Jennifer Capriati, Svetlana Kuznetsova and Angelique Kerber who all lost as Grand Slam champions on the first run of their defences.
Petra Kvitova takes on Naomi Osaka in Saturday's Australian Open final with one of them set to emerge as a fresh champion at Melbourne Park as well as the new world number one.
Naomi Osaka has sacked her second coach in seven months, splitting with Jermaine Jenkins
Factbox on Japan's Naomi Osaka, who beat Victoria Azarenka of Belarus 1-6, 6-3, 6-3 to win the US Open title on Saturday.
Australian Nick Kyrgios produced another extraordinary performance to demolish compatriot Alex de Minaur 6-2, 6-3 at the Canadian Masters on Thursday, a day after stunning world number one Daniil Medvedev.
The 15-year-old's popularity has soared off the charts in a memorable week at the All England Club, with organisers also recognising her potential to grab attention and giving her a Centre Court match-up in the third round.
Rediff.com takes a look at players who tested positive for use of banned substances over the years.