2013 U.S. Men's Clay Court Championships
| 2013 U.S. Men's Clay Court Championships | |
|---|---|
| Date | April 8 – 14 |
| Edition | 45th |
| Category | World Tour 250 |
| Draw | 32S/16D |
| Prize money | $455,775 |
| Surface | Clay |
| Location | Houston, TX, United States |
| Venue | River Oaks Country Club |
| Champions | |
| Singles | |
 John Isner | |
| Doubles | |
 Jamie Murray /  John Peers | |
The 2013 U.S. Men's Clay Court Championships was a tennis tournament played on outdoor clay courts. It was part of the 2013 ATP World Tour. It was the 45th edition of the U.S. Men's Clay Court Championships, and an ATP World Tour 250 event. It took place at River Oaks Country Club in Houston, Texas, United States, from April 8 through April 14, 2013.
Singles main draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ESP
|
Nicolás Almagro | 12 | 1 |
 GER
|
Tommy Haas | 14 | 2 |
 ARG
|
Juan Mónaco | 19 | 3 |
| USA
|
Sam Querrey | 20 | 4 |
| USA
|
John Isner | 23 | 5 |
| ESP
|
Fernando Verdasco | 30 | 6 |
 ITA
|
Paolo Lorenzi | 57 | 7 |
| USA
|
Michael Russell | 73 | 8 |
- Rankings and seedings are as of April 1, 2013.
Other entrants
The following players received wildcards into the main draw:
The following players received entry via the qualifying draw:
The following player received entry as a lucky loser:
Withdrawals
- Before the tournament
Doubles main draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| USA
|
Bob Bryan | USA
|
Mike Bryan | 2 | 1 |
 MEX
|
Santiago González | USA
|
Scott Lipsky | 61 | 2 |
 PHI
|
Treat Conrad Huey | GBR
|
Dominic Inglot | 65 | 3 |
| USA
|
Eric Butorac |  ISR
|
Jonathan Erlich | 99 | 4 |
- Rankings are as of April 1, 2013.
Other entrants
The following pairs received wildcards into the doubles main draw:
Champions
Singles
John Isner def. 
Nicolás Almagro, 6–3, 7–5
Doubles
Jamie Murray / 
John Peers def. Bob Bryan / Mike Bryan, 1–6, 7–6(7–3), [12–10]
