| 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 | ||||
| ||||
The2013 U.S. National Indoor Tennis Championships was anATP World Tour andWTA Tour event held at the hardcourts of theRacquet Club of Memphis inMemphis, Tennessee, United States. It was the 38th edition of theU.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 theATP World Tour 500 series on the2013 ATP World Tour, and the Memphis International is anInternational-level tournament on the2013 WTA Tour. The event took place from February 16 to February 24, 2013.Kei Nishikori andMarina Erakovic won the singles titles.
Kei Nishikori defeated
Feliciano López, 6–2, 6–3Marina Erakovic defeated
Sabine Lisicki, 6–1, ret.Bob Bryan /Mike Bryan defeartedJames Blake /Jack Sock, 6–1, 6–2Kristina Mladenovic /Galina Voskoboeva defeated
Sofia Arvidsson /Johanna Larsson, 7–6(7–5), 6–3| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q | Q2 | Q1 |
| Men's singles | 500 | 300 | 180 | 90 | 45 | 0 | 20 | 10 | 0 |
|---|---|---|---|---|---|---|---|---|---|
| Men's doubles | 0 | — | — | — | — | ||||
| Women's singles | 280 | 200 | 130 | 70 | 30 | 1 | 10 | 6 | 1 |
| Women's doubles | 1 | — | — | — | — |
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q2 | Q1 |
| Men's singles | $291,800 | $131,560 | $62,320 | $30,070 | $15,330 | $8,435 | $950 | $525 |
| Men's doubles * | $86,200 | $38,900 | $18,340 | $8,860 | $4,550 | — | — | — |
| Women's singles | $40,000 | $20,000 | $10,725 | $5,800 | $3,200 | $2,075 | $1,200 | $700 |
| Women's doubles * | $11,500 | $6,000 | $3,200 | $1,700 | $900 | — | — | — |
* 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 |
The following players receivedwildcards into the main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Kevin Anderson (elbow injury)Brian Baker (knee injury)Mardy Fish (heart problems)
Blaž Kavčič
Lukáš LackoFernando Verdasco (neck injury)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 |
The following pairs received wildcard into the doubles main draw:
The following pairs received entry as alternates:
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 |
The following players receivedwildcards into the main draw:
The following players received entry from the qualifying draw:
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 |
The following pairs received wildcard into the doubles main draw:
The following pairs received entry as alternates:
Ksenia Pervak (low back injury)
Valeria Savinykh (right shoulder injury)
