Singles

Venus Williams defeated Vera Zvonareva, 6–7^(5–7), 6–0, 6–2.

• It was Venus Williams' 3rd title of the year, and her 39th overall. It was her 1st career year-end championships title.

Doubles

Cara Black / Liezel Huber defeated Květa Peschke / Rennae Stubbs, 6–1, 7–5.

Qualified singles players

On 30 July, Jelena Janković and Ana Ivanovic became the first two players to qualify for the year-end championships.^[1]

Following a surging 2007, Janković started the year at the Hopman Cup where she partnered with Novak Djokovic to reach the final, losing out to United States' Serena Williams and Mardy Fish.^[2] She reached the semifinals of the Australian Open a few weeks after falling to Maria Sharapova, the eventual champion ^[3] where she beat Serena Williams en route in the quarterfinals. In February and March, she reached a lone final at the Sony Ericsson Open losing to Serena Williams 1–6, 7–5, 3–6. She further reached two semifinals and two quarterfinals. In the clay season, Janković won the Italian Open for the second straight year against surprise finalist Alizé Cornet who was an 18-year-old qualifier. At the French Open, she reached her third straight major semifinal but fell in three grueling sets to once again the eventual champion in Ana Ivanovic, a match that decided the new World No. 1.

Janković then headed straight to Wimbledon where she lost to Tamarine Tanasugarn in the fourth round. Janković eventually became the 18th female No. 1, replacing compatriot Ivanovic on August 11.^[4] At the Beijing Olympics, she lost to eventual silver medalist Dinara Safina in the quarterfinals. At the US Open, Janković beat Elena Dementieva in the final four to reach her first Grand Slam final but lost to Serena Williams. In the fall season, she won three consecutive tournaments at the China Open, the Porsche Tennis Grand Prix and the Kremlin Cup justifying her return to the top spot.

Ana Ivanovic began the 2008 season by reaching the semifinals of the Australian Open where she lost to Maria Sharapova in straight sets. She then managed to win her sixth title and third Tier I title in Indian Wells, beating Jelena Janković and Svetlana Kuznetsova in the semifinals and finals respectively. Following a mediocre pre-French Open season where she failed to defend her title in Berlin, she entered Roland Garros as the second seed and favourite. She lived up to that expectation by winning her first Grand Slam (and her only to date) and becoming the first Serbian to reach the No. 1 spot, virtue of beating compatriot Janković in the semifinals.^[5] She defeated first-time Grand Slam finalist Dinara Safina 6–4, 6–3. In her first tournament as the new world No. 1 at Wimbledon, she was upset in the third round by Chinese wildcard Zheng Jie. Following a disappointing Wimbledon campaign, she suffered an injury-marred US Open Series as she withdrew from Los Angeles and the Olympics, which Ivanovic described as "one of the worst moments in my career". She played only one tournament which was at the Rogers Cup and was eliminated in the third round. As the top seed for the US Open, she suffered for the second straight major a loss to a player ranked outside the top 100 in French qualifier Julie Coin. She returned to form in October by winning the indoor tournament in Linz as well as reach the semifinals at the Kremlin Cup.

On 4 September, Serena Williams and Dinara Safina were announced as the third and fourth qualifiers for the Championships.^[6]

Serena Williams started the year at the Hopman Cup where she teamed up with Mardy Fish to win it for the US. At the Australian Open, she made the quarterfinals losing to Jelena Janković.

On 18 September, Elena Dementieva became the fifth qualifier for the Championships.^[7]

On 17 October, by reaching the quarterfinals at the Kremlin Cup, Svetlana Kuznetsova was confirmed as the sixth qualifier.^[8]

On 25 October, the final two spots were taken by Vera Zvonareva and Venus Williams.^[9]

• Jelena Janković (4786)^[10]
• Dinara Safina (3823)
• Serena Williams (3681)
• Elena Dementieva (3400)
• Ana Ivanovic (3353)^[10]
• Vera Zvonareva (2626)
• Svetlana Kuznetsova (2627)
• Venus Williams (2524)

Singles alternates

• Agnieszka Radwańska (2256)
• Nadia Petrova (1914)

Withdrawn players

• Maria Sharapova (2515) (Sharapova announced a hiatus from tennis from the Rogers Cup until 2009,^[11] which prevented her from continuing to collect points and qualify)

Qualified doubles teams

In doubles, team Cara Black and Liezel Huber qualified with convincing lead with more than 6,000 points, while other three teams all failed to collect even a half of that number of points, with all of them being around 2,000.

• Cara Black / Liezel Huber (6158)^[12]
• Anabel Medina Garrigues / Virginia Ruano Pascual (2809)
• Květa Peschke / Rennae Stubbs (2614)
• Ai Sugiyama / Katarina Srebotnik (2542)

Singles

Players in gold have qualified for Doha. Players in brown withdrawn. The low-ranked players in blue after them would be played as alternates in Doha.

More information Rank, Player ...

Rank	Player	Grand Slam				Tier I									Best Other						Total points	Tourn
		AUS	FRA	WIM	USO	DOH	IW	MIA	CHA	BER	ITA	CAN	TOK	MOS	1	2	3	4	5	6
1	Jelena Janković	SF 450	SF 450	R16 140	F 700	QF 110	SF 210	F 350	QF 110	QF 110	W 430	QF 110	QF 110	W 430	W 300	W 275	SF 125	SF 125			4,786	21
2	Dinara Safina	R128 2	F 700	R32 90	SF 450	R16 60	R32 40	QF 125	R32 35	W 430	A 0	W 430	W 430	SF 195	W 275	S 245	F 100	QF 75	QF 35		3,823	20
3	Serena Williams	QF 250	R32 90	F 700	W 1000	A 0	A 0	W 500	W 430	QF 110	QF 110	A 0	A 0	A 0	W 275	SF 125	QF 90	R16 1			3,681	12
4	Elena Dementieva	R16 140	QF 250	SF 450	SF 450	A 0	A 0	QF 125	SF 195	F 300	A 0	R32 1	QF 110	SF 195	G 353	W 275	W 165	SF 125	F 100	QF 75	3,400	18
5	Ana Ivanovic	F 700	W 1000	R32 90	R64 60	R16 60	W 465	R32 45	A 0	SF 195	R32 1	R16 60	R16 1	R16 1	W 275	SF 125	SF 125	QF 70	QF 70		3,353	17
6	Vera Zvonareva	R128 2	R16 140	R64 60	R64 60	F 300	QF 115	SF 225	F 300	A 0	R16 60	R32 1	A 0	F 300	B 175	F 190	W 140	SF 125	W 115	F 80	2,626	24
7	Svetlana Kuznetsova	R32 90	SF 450	R16 140	R32 90	R16 60	F 325	SF 225	A 0	R16 60	R16 60	QF 110	F 300	QF 110	F 190	F 190	F 190	R16 1	R64 1		2,623	18
8	Venus Williams	QF 250	R32 90	W 1000	QF 250	R16 60	A 0	QF 125	A 0	A 0	QF 110	A 0	A 0	R32 1	W 275	SF 140	SF 125	QF 90	R32 1		2,522	13
9	Maria Sharapova	W 1000	R16 140	R64 60	A 0	W 430	SF 210	A 0	QF 110	A 0	SF 195	R16 60	A 0	A 0	W 275						2,515	9
10	Agnieszka Radwańska	QF 250	R16 140	QF 250	R16 140	SF 195	QF 115	R64 1	R32 35	R16 60	R16 60	A 0	QF 110	A 0	W 275	W 140	SF 125	W 115	SF 50	R16 40	2,256	23
11	Nadia Petrova	R16 140	R32 90	QF 250	R32 90	R64 1	A 0	R64 1	A 0	R32 35	R64 1	R16 60	SF 195	QF 110	F 215	F 190	W 140	W 140	QF 70	QF 70	1,914	24

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