2015 U.S. Men's Clay Court Championships

The 2015 U.S. Men's Clay Court Championships (also known as the Fayez Sarofim & Co. U.S. Men's Clay Court Championships for sponsorship purposes) was a tennis tournament played on outdoor clay courts. It was the 47th edition of the U.S. Men's Clay Court Championships, and an ATP World Tour 250 event on the 2015 ATP World Tour. It took place at River Oaks Country Club in Houston, Texas, United States, from April 6 through April 12, 2015.

Seeds

 * Rankings are as of March 23, 2015.

Other entrants
The following players received wildcards into the main draw:
 * 🇦🇺 Lleyton Hewitt
 * 🇪🇸 Feliciano López
 * 🇷🇸 Janko Tipsarević

The following players received entry via the qualifying draw:
 * 🇦🇷 Facundo Argüello
 * 🇰🇷 Chung Hyeon
 * 🇧🇷 Guilherme Clezar
 * 🇧🇷 Rogério Dutra Silva

Withdrawals

 * Before the tournament
 * 🇫🇷 Gaël Monfils →replaced by Go Soeda
 * 🇦🇺 Bernard Tomic →replaced by Tim Smyczek

Retirements

 * 🇮🇹 Paolo Lorenzi
 * 🇦🇺 Marinko Matosevic (left foot injury)

Seeds

 * Rankings are as of March 23, 2015.

Other entrants
The following pair received wildcards into the doubles main draw: The following pairs received entry as alternates:
 * 🇦🇺 Lleyton Hewitt / 🇦🇺 Matt Reid
 * 🇩🇪 Philipp Petzschner / 🇷🇸 Janko Tipsarević
 * Ričardas Berankis / 🇷🇺 Teymuraz Gabashvili
 * 🇮🇳 Somdev Devvarman / 🇮🇳 Sanam Singh

Withdrawals

 * Before the tournament
 * 🇺🇸 Ryan Harrison (right hip injury)
 * 🇦🇺 Marinko Matosevic (left foot injury)

Retirements

 * 🇲🇽 Santiago González (right hamstring injury)

Singles

 * 🇺🇸 Jack Sock defeated 🇺🇸 Sam Querrey, 7–6(11–9), 7–6(7–2)

Doubles

 * 🇱🇹 Ričardas Berankis / 🇷🇺 Teymuraz Gabashvili defeated Treat Huey / 🇺🇸 Scott Lipsky, 6–4, 6–4