2013 Citi Open
Date	July 27 – August 4
Edition	45th (men) / 3rd (women)
Category	ATP World Tour 500 (men) WTA International (women)
Surface	Hard
Location	Washington, D.C., United States
Venue	William H.G. FitzGerald Tennis Center
Champions
Men's singles
Juan Martín del Potro
Women's singles
Magdaléna Rybáriková
Men's doubles
Julien Benneteau / Nenad Zimonjić
Women's doubles
Shuko Aoyama / Vera Dushevina
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The 2013 Citi Open (known as such for sponsorship reasons) was a tennis tournament played on outdoor hard courts. It was the 45th edition (for the men) and the 3rd edition (for the women) of the event known that year as the Citi Open (previously known on the men's tour as the Legg Mason Tennis Classic), and was part of the ATP World Tour 500 series of the 2013 ATP World Tour, and of the WTA International tournaments of the 2013 WTA Tour. It took place at the William H.G. FitzGerald Tennis Center in Washington, D.C., United States, from July 27 to August 4, 2013. Juan Martín del Potro and Magdaléna Rybáriková won the singles titles.

Country	Player	Ranking	Seeds*
ARG	Juan Martín del Potro	7	1
JPN	Kei Nishikori	11	2
GER	Tommy Haas	12	3
CAN	Milos Raonic	13	4
FRA	Gilles Simon	16	5
USA	Sam Querrey	20	6
RSA	Kevin Anderson	21	7
USA	John Isner	22	8
UKR	Alexandr Dolgopolov	25	9
ESP	Feliciano López	29	10
BUL	Grigor Dimitrov	31	11
FRA	Julien Benneteau	35	12
CRO	Ivan Dodig	36	13
AUS	Bernard Tomic	41	14
RUS	Nikolay Davydenko	42	15
CYP	Marcos Baghdatis	44	16
FRA	Michaël Llodra	46	17

• ¹ Rankings are as of July 22, 2013

The following players received wild cards into the main singles draw:

• Juan Martín del Potro
• James Duckworth
• Steve Johnson
• Denis Kudla
• Jack Sock

The following players received entry from the singles qualifying draw:

• Somdev Devvarman
• Matthew Ebden
• Samuel Groth
• Alex Kuznetsov
• Tim Smyczek
• Yūichi Sugita

The following players received entry as lucky losers:

• Jesse Levine
• Rhyne Williams

Before the tournament

• Feliciano López (fatigue)
• Gaël Monfils
• Jo-Wilfried Tsonga

Country	Player	Country	Player	Rank1	Seed
AUT	Alexander Peya	BRA	Bruno Soares	14	1
PAK	Aisam-ul-Haq Qureshi	NED	Jean-Julien Rojer	25	2
SWE	Robert Lindstedt	CAN	Daniel Nestor	29	3
CRO	Ivan Dodig	BRA	Marcelo Melo	36	4

• ¹ Rankings are as of July 22, 2013

The following pairs received wildcards into the doubles main draw:

• James Blake / Eric Butorac
• Steve Johnson / Sam Querrey

Before the tournament

• Bob Bryan (shoulder injury)

Country	Player	Ranking	Seeds*
GER	Angelique Kerber	9	1
USA	Sloane Stephens	15	2
RUS	Ekaterina Makarova	26	3
FRA	Alizé Cornet	30	4
ROU	Sorana Cîrstea	32	5
GER	Mona Barthel	33	6
SVK	Magdaléna Rybáriková	39	7
USA	Madison Keys	44	8

• ¹ Rankings are as of July 22, 2013

The following players received wild cards into the main singles draw:

• Beatrice Capra
• Angelique Kerber
• Taylor Townsend

The following players received entry from the singles qualifying draw:

• Irina Falconi
• Michelle Larcher de Brito
• Alexandra Mueller
• Jessica Pegula

Before the tournament

• Lauren Davis
• Camila Giorgi
• Simona Halep (back injury)
• Kaia Kanepi
• Johanna Larsson
• Anabel Medina Garrigues
• Romina Oprandi
• Nadia Petrova

• Monica Niculescu (left wrist injury)
• Olga Puchkova (defaulted)
• Lesia Tsurenko (right thigh injury)

Country	Player	Country	Player	Rank1	Seed
JPN	Shuko Aoyama	RUS	Vera Dushevina	81	1
USA	Irina Falconi	CZE	Eva Hrdinová	154	2
GEO	Anna Tatishvili	GBR	Heather Watson	195	3
COL	Catalina Castaño	USA	Jessica Pegula	209	4

• ¹ Rankings are as of July 22, 2013

Juan Martín del Potro defeated John Isner, 3–6, 6–1, 6–2

Magdaléna Rybáriková defeated Andrea Petkovic, 6–4, 7–6^(7–2)

Julien Benneteau / Nenad Zimonjić defeated Mardy Fish / Radek Štěpánek, 7–6^(7–5), 7–5

Shuko Aoyama / Vera Dushevina defeated Eugenie Bouchard / Taylor Townsend, 6–3, 6–3

• Official website