2009 Western & Southern Financial Group Masters and Western & Southern Financial Group Women's Open
Date	August 15–23 (men) August 8–16 (women)
Edition	108th
Surface	Hard / Outdoor
Location	Mason, United States
Venue	Lindner Family Tennis Center
Champions
Men's singles
Roger Federer
Women's singles
Jelena Janković
Men's doubles
Daniel Nestor / Nenad Zimonjić
Women's doubles
Cara Black / Liezel Huber
← 2008 · Western & Southern Financial Group Masters · 2010 → ← 2008 · Western & Southern Financial Group Women's Open · 2010 →

The 2009 Cincinnati Masters (also known as the Western & Southern Financial Group Masters and Western & Southern Financial Group Women's Open for sponsorship reasons) was a tennis tournament played on outdoor hard courts. It was the 108th edition of the Cincinnati Masters, and was part of the ATP Masters Series of the 2009 ATP World Tour, and of the Premier Series of the 2009 WTA Tour. Both the men's and the women's events were held at the Lindner Family Tennis Center in Mason, near Cincinnati, Ohio, United States, with the men playing from August 17 through August 23, 2009, and the women from August 10 through August 16, 2009. It was the third women's event and the fifth men's event on the 2009 US Open Series. Former world No. 1 Kim Clijsters made her return to the Sony Ericsson WTA Tour in Cincinnati.

Country	Player	Rank1	Seed
RUS	Dinara Safina	1	1
USA	Serena Williams	2	2
USA	Venus Williams	3	3
RUS	Elena Dementieva	4	4
SRB	Jelena Janković	5	5
RUS	Svetlana Kuznetsova	6	6
RUS	Vera Zvonareva	7	7
DEN	Caroline Wozniacki	8	8
BLR	Victoria Azarenka	9	9
RUS	Nadia Petrova	10	10
SRB	Ana Ivanovic	11	11
FRA	Marion Bartoli	12	12
POL	Agnieszka Radwańska	13	13
ITA	Flavia Pennetta	14	14
SVK	Dominika Cibulková	16	15
FRA	Virginie Razzano	18	16

• ¹ As of August 3, 2009

The following players received wildcards into the singles main draw:

• Kim Clijsters
• Maria Kirilenko
• Meghann Shaughnessy

The following players received entry from the qualifying draw:

• Kateryna Bondarenko
• Olga Govortsova
• Tatjana Malek
• Ayumi Morita
• Melanie Oudin
• Urszula Radwańska
• Yaroslava Shvedova
• Yanina Wickmayer

Country	Player	Rank*	Seed
SUI	Roger Federer	1	1
ESP	Rafael Nadal	2	2
GBR	Andy Murray	3	3
SRB	Novak Djokovic	4	4
USA	Andy Roddick	5	5
ARG	Juan Martín del Potro	6	6
FRA	Jo-Wilfried Tsonga	7	7
RUS	Nikolay Davydenko	8	8
FRA	Gilles Simon	9	9
CHI	Fernando González	10	10
ESP	Fernando Verdasco	11	11
SWE	Robin Söderling	12	12
FRA	Gaël Monfils	13	13
CRO	Marin Čilić	15	14
ESP	Tommy Robredo	16	15
CZE	Radek Štěpánek	17	16

• Seedings are based on the rankings of August 10, 2009

The following players received wildcards into the singles main draw

• Robby Ginepri
• John Isner
• Wayne Odesnik
• Marat Safin

The following players received entry from the qualifying draw:

• Simone Bolelli
• Chris Guccione
• Jan Hernych
• Łukasz Kubot
• Ivan Ljubičić
• Lu Yen-hsun
• Mikhail Youzhny

The following players received the lucky loser spot:

• Julien Benneteau

Roger Federer defeated Novak Djokovic 6–1, 7–5.

• It was Federer's fourth title of the year and 61st overall. It was his third win at the event, also winning in 2005 and 2007.

Jelena Janković defeated Dinara Safina 6–4, 6–2.

• It was Janković's second title of the year and 11th overall.

Daniel Nestor / Nenad Zimonjić defeated Bob Bryan / Mike Bryan, 3–6, 7–6^(7–2), [15–13].

Cara Black / Liezel Huber defeated Nuria Llagostera Vives / María José Martínez Sánchez, 6–3, 0–6, [10–2].

• Official website
• Association of Tennis Professionals (ATP) tournament profile