Pre-comeback

At the beginning of the year, Sharapova was forced to concede the defence of her Australian Open title, a decision which would see her drop out of the WTA's Top 10 for the first time since winning Wimbledon in 2004.^[1] Her continued absence from the Tour also cost her the titles she won in Doha and Amelia Island last year; she also missed both the Premier Mandatory events at Indian Wells and Miami, and subsequently saw her world ranking drop to No. 65.^[2]

Sharapova first attempted her comeback by playing doubles with Elena Vesnina at Indian Wells (she did not play in the singles tournament). This decision would backfire, as they lost to fellow Russians Ekaterina Makarova and Tatiana Poutchek in three sets in the first round.^[3]

Comeback to tennis

In May, it was announced that she would be making her comeback at the Warsaw Open, which she entered as a wild card entry.^[4] She eventually reached the quarter-finals, losing to eventual finalist Alona Bondarenko.^[5] In the week during which the tournament was held, though, her world ranking dropped to No. 126, her lowest ranking since 2003, but her run in Warsaw saw her rise to No. 102 in the world rankings.

French Open

Sharapova entered the 2009 French Open unseeded at a Major for the first time since the 2003 US Open. In the second round, she defeated 11th seed Nadia Petrova 6–2, 1–6, 8–6.^[6] She went on to reach the quarter-finals, where she suffered her worst defeat at a Major tournament, losing to Dominika Cibulková and winning only two games (she had to defend a match point at 0–6, 0–5 down in the second set, in the process avoiding her second career double bagel defeat).^[7] Despite the defeat, Sharapova moved back into the World's Top 100 in the rankings.

Grass court season

Sharapova started her grass court season at Birmingham, where she had won her first grass court title five years earlier. Unseeded, she defeated Stéphanie Dubois, Alexa Glatch, seventh seed and future Wimbledon quarter-finalist Francesca Schiavone and Yanina Wickmayer to reach the semi-finals, before being defeated by Li Na there. Her run in Birmingham brought her ranking back into the Top 60.^[8]

As it was in 2008, her Wimbledon campaign would once again turn out to be short-lived, as she was defeated in the second round by Gisela Dulko in three sets.^[9]

US Open series

Sharapova next played at the 2009 Bank of the West Classic, where she defeated Ai Sugiyama and Nadia Petrova before being defeated by Venus Williams in the final eight.^[10]

She next played at Los Angeles, where she recorded her first career victory against Victoria Azarenka before falling in three sets to eventual champion Flavia Pennetta in the semi-finals.^[11] She then reached her first final since April 2008 at the Rogers Cup, falling there to Elena Dementieva in straight sets.^[12]

To conclude the US Open series, she competed at the US Open as the 29th seed; this was her lowest seeding at a Major tournament since the 2004 Australian Open. She defeated Tsvetana Pironkova and Christina McHale for the loss of three games each in the first two rounds, but was then stunned in the third round by little-known Melanie Oudin in three sets.^[13]

Fall series

Sharapova picked up her first title since April 2008, when she won the Toray Pan Pacific Open event in Tokyo after her Serbian opponent Jelena Janković retired at 2–5 down in the first set. This marked her 20th career singles title.^[14] At Beijing, her final tournament of the season, she received a bye into the second round, where she defeated Victoria Azarenka in three sets, before falling to Peng Shuai in the third.^[15] Her impressive comeback eventually led to her finishing the year ranked World No. 14, having been No. 126 back in May.

Singles matches

Tournament	#	Round	Opponent	Result	Score
Warsaw Open Warsaw, Poland Premier Clay, outdoor 18–23 May 2009
	1	1R	Tathiana Garbin	Win	6–1, 6–7(6–8), 6–3
	2	2R	Darya Kustova	Win	6–2, 6–0
	3	QF	Alona Bondarenko	Loss	2–6, 2–6
French Open Paris, France Grand Slam Clay, outdoor 24 May–7 June 2009
	4	1R	Anastasiya Yakimova	Win	3–6, 6–1, 6–2
	5	2R	Nadia Petrova	Win	6–2, 1–6, 8–6
	6	3R	Yaroslava Shvedova	Win	1–6, 6–3, 6–4
	7	4R	Li Na	Win	6–4, 0–6, 6–4
	8	QF	Dominika Cibulková	Loss	0–6, 2–6
Aegon Classic Birmingham, Great Britain WTA Premier Grass, outdoor 8–14 June 2009
	9	1R	Stéphanie Dubois	Win	6–4, 6–2
	10	2R	Mariya Koryttseva	Win	6–3, 6–4
	11	3R	Francesca Schiavone	Win	6–1, 6–3
	12	QF	Yanina Wickmayer	Win	6–1, 2–6, 6–3
	13	SF	Li Na	Loss	4–6, 4–6
The Championships, Wimbledon London, Great Britain Grand Slam Grass, outdoor 22 June–5 July 2009
	14	1R	Viktoriya Kutuzova	Win	7–5, 6–4
	15	2R	Gisela Dulko	Loss	2–6, 6–3, 4–6
Bank of the West Classic Stanford, United States of America WTA Premier Hard, outdoor 27 July–2 August 2009
	16	1R	Ai Sugiyama	Win	6–4, 6–7(6–8), 6–1
	17	2R	Nadia Petrova	Win	6–1, 6–2
	18	QF	Venus Williams	Loss	2–6, 2–6
LA Women's Tennis Championships Los Angeles, United States of America WTA Premier Hard, outdoor 3–9 August 2009
	19	1R	Jarmila Groth	Win	6–0, 6–4
	20	2R	Victoria Azarenka	Win	6–7(4–7), 6–4, 6–2
	21	3R	Alona Bondarenko	Win	4–6, 6–0, 6–3
	22	QF	Urszula Radwańska	Win	6–4, 7–5
	23	SF	Flavia Pennetta	Loss	2–6, 6–4, 3–6
Rogers Cup Toronto, Canada WTA Premier 5 Hard, outdoor 17–23 August 2009
	24	1R	Nadia Petrova	Win	6–1, 6–4
	25	2R	Sybille Bammer	Win	6–3, 7–6(7–5)
	26	3R	Vera Zvonareva	Win	6–2, 7–6(7–3)
	27	QF	Agnieszka Radwańska	Win	6–2, 7–6(7–5)
	28	SF	Alisa Kleybanova	Win	6–2, 4–6, 6–4
	29	F	Elena Dementieva	Loss	4–6, 3–6
US Open New York, United States of America Grand Slam Hard, outdoor 31 August–14 September 2009
	30	1R	Tsvetana Pironkova	Win	6–3, 6–0
	31	2R	Christina McHale	Win	6–2, 6–1
	32	3R	Melanie Oudin	Loss	6–3, 4–6, 5–7
Toray Pan Pacific Open Tokyo, Japan WTA Premier 5 Hard, outdoor 28 September–3 October 2009
	33	1R	Francesca Schiavone	Win	4–6, 7–5, 6–1
	34	2R	Samantha Stosur	Win	6–0, 6–1
	35	3R	Alisa Kleybanova	Win	2–6, 6–2, 6–2
	36	QF	Iveta Benešová	Win	6–4, 7–5
	37	SF	Agnieszka Radwańska	Win	6–3, 2–6, 6–4
	38	W	Jelena Janković	Win (1)	5–2, ret.
China Open Beijing, China WTA Premier Mandatory Hard, outdoor 3–11 October 2009
		1R	Bye
	39	2R	Victoria Azarenka	Win	6–3, 6–7(5–7), 7–5
	40	3R	Peng Shuai	Loss	2–6, 4–6

Singles Schedule

Head-to-head matchups

Ordered by percentage, number of victories to number of losses, then in alphabetical order

Finals

Singles: 2 (1–1)

Category WTA Premier 5 (1–1)

Titles by surface Hard (1–1)

Titles by conditions Outdoors (1–1)

Outcome	No.	Date	Championship	Surface	Opponent in the final	Score in the final
Runner-up		August 23, 2009	Toronto, Canada (1)	Hard	Elena Dementieva	4–6, 3–6
Winner	20.	October 3, 2009	Tokyo, Japan (2)	Hard	Jelena Janković	5–2, ret.