2013 U.S. National Indoor Tennis Championships
Date	February 18–24
Edition	38th (Men) / 28th (Women)
Category	ATP World Tour 500 WTA International
Draw	32S / 16D
Prize money	$1,353,550 $235,000
Surface	Hard
Location	Memphis, United States
Champions
Men's singles
Kei Nishikori
Women's singles
Marina Erakovic
Men's doubles
Bob Bryan / Mike Bryan
Women's doubles
Kristina Mladenovic / Galina Voskoboeva
← 2012 · U.S. National Indoor Tennis Championships · 2014 →

The 2013 U.S. National Indoor Tennis Championships was an ATP World Tour and WTA Tour event held at the hardcourts of the Racquet Club of Memphis in Memphis, Tennessee, United States. It was the 38th edition of the U.S. National Indoor Tennis Championships and the 28th edition of the Memphis WTA International Event. The U.S. National Indoor Tennis Championships is part of the ATP World Tour 500 series on the 2013 ATP World Tour, and the Memphis International is an International-level tournament on the 2013 WTA Tour. The event took place from February 16 to February 24, 2013. Kei Nishikori and Marina Erakovic won the singles titles.

_{* per team}

Country	Player	Ranking1	Seed
CRO	Marin Čilić[1]	12	1
CAN	Milos Raonic	13	2
USA	John Isner	16	3
USA	Sam Querrey	20	4
JPN	Kei Nishikori	21	5
GER	Tommy Haas	22	6
UKR	Alexandr Dolgopolov	23	7
ESP	Fernando Verdasco	24	8

• ¹ Rankings as of February 11, 2013.

The following players received wildcards into the main draw:

• James Blake
• Steve Johnson
• Jack Sock

The following players received entry from the qualifying draw:

• Alex Bogomolov Jr.
• Illya Marchenko
• Rhyne Williams
• Donald Young

The following player received entry as a lucky loser:

• Michael Russell

Before the tournament

• Kevin Anderson (elbow injury)
• Brian Baker (knee injury)
• Mardy Fish (heart problems)
• Blaž Kavčič
• Lukáš Lacko
• Fernando Verdasco (neck injury)

During the tournament

• Tommy Haas (illness)

• Xavier Malisse (back injury)
• Marinko Matosevic (foot injury)

Country	Player	Country	Player	Rank1	Seed
USA	Bob Bryan	USA	Mike Bryan	3	1
BLR	Max Mirnyi	ROU	Horia Tecău	14	2
POL	Łukasz Kubot	CAN	Daniel Nestor	36	3
AUT	Alexander Peya	BRA	Bruno Soares	42	4

• ¹ Rankings are as of February 11, 2013.

The following pairs received wildcard into the doubles main draw:

• James Blake / Jack Sock
• Christian Harrison / Ryan Harrison

The following pairs received entry as alternates:

• Jaroslav Levinský / Yen-Hsun Lu
• Xavier Malisse / Marinko Matosevic

Before the tournament

• John Isner (knee injury)
• Fernando Verdasco (neck injury)

Country	Player	Ranking1	Seed
BEL	Kirsten Flipkens	34	1
SWE	Sofia Arvidsson	38	2
GER	Sabine Lisicki	40	3
GBR	Heather Watson	41	4
CZE	Lucie Hradecká	52	5
RSA	Chanelle Scheepers	59	6
SVK	Magdaléna Rybáriková	61	7
FRA	Kristina Mladenovic	64	8

• ¹ Rankings as of February 11, 2013.

The following players received wildcards into the main draw:

• Courtney Collins
• Victoria Duval
• Garbiñe Muguruza

The following players received entry from the qualifying draw:

• Jana Čepelová
• Claire Feuerstein
• Madison Keys
• Maria Sanchez

Before the tournament

• Anna Tatishvili

• Sabine Lisicki (gastrointestinal illness)

Country	Player	Country	Player	Rank1	Seed
CZE	Andrea Hlaváčková	CZE	Lucie Hradecká	7	1
FRA	Kristina Mladenovic	KAZ	Galina Voskoboeva	71	2
NZL	Marina Erakovic	GBR	Heather Watson	115	3
LAT	Līga Dekmeijere	USA	Megan Moulton-Levy	140	4

• ¹ Rankings as of February 11, 2013.

The following pairs received wildcard into the doubles main draw:

• Stefanie Mikesz / Caroline Wegner
• Taylor Townsend / CoCo Vandeweghe

The following pairs received entry as alternates:

• Alyssa Hibberd / Tiffany Welcher
• Ashley Murdock / Mariya Słupska

Before the tournament

• Ksenia Pervak (low back injury)
• Valeria Savinykh (right shoulder injury)

• Kei Nishikori defeated Feliciano López, 6–2, 6–3

• Marina Erakovic defeated Sabine Lisicki, 6–1, ret.

• Bob Bryan / Mike Bryan defearted James Blake / Jack Sock, 6–1, 6–2

• Kristina Mladenovic / Galina Voskoboeva defeated Sofia Arvidsson / Johanna Larsson, 7–6^(7–5), 6–3

• Official site