The 2007 WTA Tour Championships, officially Sony Ericsson Championships, is the thirty seventh season-ending WTA Tour Championships, the annual tennis tournament for the eight best female tennis players in singles, and four teams in doubles, on the 2007 WTA Tour. It was held from 6 November though 11 November 2007, in Madrid, Spain.
On August 1, the first two players to qualify for the Championships were Justine Henin from Belgium and Jelena Janković from Serbia.[2] Henin, last year's winner, leads the Sony Ericsson WTA Tour with nine singles titles already claimed in 2007, including French Open and US Open, and also titles in Dubai, Doha, Warsaw, Eastbourne, Toronto, Stuttgart and Zurich. Janković is the first Serbian woman representing her country to qualify for the season-ending event. This season, she has won four singles titles on the Sony Ericsson WTA Tour at Auckland, Charleston, Rome, and Birmingham. She also reached the semifinals at the French Open.
Justine Henin won two Grand Slam titles
By reaching the semifinals on September 7, and later the final of the US Open, Svetlana Kuznetsova from Russia moved up to third on the Sony Ericsson Points Standings, just behind Henin and Janković.[3] Her season highlights include winning the New Haven tournament a week before the US Open, and four runner-up finishes in Doha, Indian Wells, Berlin and Rome.
Ana Ivanovic reached her first Grand Slam final
Ana Ivanovic from Serbia was the fourth player to qualify, by reaching the semifinals on September 27 at Luxembourg. Ivanovic was this year's runner-up at the French Open, and a semifinalist at Wimbledon. This season Ivanovic has won tournaments in Berlin, Los Angeles and Luxembourg.
Serena Williams of the United States, and 8-time singles Grand Slam champion was the fifth player to qualify on October 15 by virtue of reaching the finals in Moscow.[4] Williams was also this year's winner at the Australian Open and in Key Biscayne. She also reached the quarterfinals of the French Open, Wimbledon and the US Open.
Anna Chakvetadze from Russia became the sixth player to qualify on October 23, ensuring herself one of the eight berths by collecting 2,626 race points.[5] Chakvetadze is having the best season of her career, having won four singles titles at Hobart, 's-Hertogenbosch, Cincinnati and Stanford. She has won over 50 singles matches, reached the semifinals of the US Open and the quarterfinals of the Australian Open and Roland Garros, in addition to winning over $1 million in prize money so far.
Wimbledon champion Venus Williams was forced to withdraw on October 28 due to severe dizziness.[6][7] In 2007, the American won three titles, winning Memphis, Seoul and her sixth Grand Slam title at the Wimbledon Championships.
The last two places went to Daniela Hantuchová and, due to the withdrawal of Williams, Maria Sharapova.[6] Both had exceptional seasons on the Tour, with Hantuchová winning her first title in five years at Indian Wells and following it up with a win at Linz, as well as runner-up finishes at Bali and Luxembourg. Sharapova was the runner-up at the first Grand Slam of the year, the Australian Open, and also won the title at San Diego. She also reached the semifinals of the French Open.
On August 16, Cara Black, from Zimbabwe, and Liezel Huber originally from South Africa, who became American citizen in August; were the first team to qualify for the Championships.[8][9] In 2007 season, they won seven tournaments, including two Grand Slams, Australian Open and Wimbledon Championships, and also tournaments in Paris, Antwerp, Dubai, San Diego and Moscow.
The two-time defending champions in 2005 and 2006, Lisa Raymond and Samantha Stosur are unable to compete in this year's Championships, due to a viral illness from which Stosur is recuperating.[10][11] In 2007, the American-Australian duo won four Tier-I tournaments in Tokyo, Indian Wells, Key Biscayne, Berlin, and also the tournament in Eastbourne.
Chan Yung-jan and Chuang Chia-jung, from Taiwan, have become the second team to qualify for Madrid, officials announced on October 22.[10] Chan and Chung won three Tour doubles titles this year, including tournaments in Bangalore, Birmingham, and in 's-Hertogenbosch. They also holds runner-up trophies this year at the Australian Open, and the US Open.
Slovenian-Japanese duo, Katarina Srebotnik and Ai Sugiyama and the Czech-Australian duo of Květa Peschke and Rennae Stubbs are the third and fourth teams to qualify.[12] Srebotnik and Sugiyama won only one title, in Toronto, and also runners-up at French Open and Wimbledon. It is Srebotnik's first individual trip, while Sugiyama makes her sixth. In 2007, Peschke and Stubbs won tournaments in Los Angeles, Stuttgart, and in Zurich.
2 Third place points and prize money in the yellow group is divided into two parts, one third ($33,333 and 35 points) goes to Serena Williams, because she played one match, and two thirds ($96,666 + $20,000 as one of the alternates, and 150 points) to Marion Bartoli, the first alternate and who played two matches.
Seeds and draw
The draw consisted of eight players in singles, and four teams in doubles. Players or teams were seeded based on the WTA Tour Rankings current the week prior to the Sony Ericsson Championships, on Monday, October 29.
Singles
The draw was conducted on Saturday, November 3 by retired Spanish tennis player, Arantxa Sánchez Vicario, Sony Ericsson WTA Tour CEO Larry Scott, and player representative to this tournament, Anna Chakvetadze.[13] Players were divided into two groups, red and yellow, in honor of the colors of the Spanish flag.
After the draw in singles had been determined, the next two players who would be accepted into the Sony Ericsson Championships, based on total WTA Tour Ranking points in 2007, became the alternates. The alternates were only in singles, and they were required to be in Madrid along with other players who competed.[14] The two alternates on standby were Marion Bartoli and Elena Dementieva;[7] with Bartoli entering the tournament on day 3 due to Serena William's withdrawal.
Doubles
Doubles teams started the tournament at the semifinal stage, with the winners of Saturday's opening round advancing to Sunday's final. The doubles draw was conducted on Thursday night, on November 8.[15]
Players in gold have qualified for Madrid. Players in brown have qualified, but withdrawn. The low-ranked players in blue after them would be played as alternates in Madrid.
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Justine Henin 
Cara Black / 
Liezel Huber 
