John Isner was the defending champion, but lost in the second round to Dustin Brown.

Fernando Verdasco won the title, defeating Nicolás Almagro in the final, 6–3, 7–6(7–4)."BIGGEST TAKEAWAYS FROM THE 2014 U.S. MEN'S CLAY COURT CHAMPIONSHIP" Bleacher Report. Retrieved 2017-01-19."2014 U.S. Men's Clay Court Championship" Houston Chronicle. Retrieved 2017-01-19.

Seeds The top four seeds received a bye into the second round.

John Isner (second round) Tommy Robredo (second round) Nicolás Almagro (final) Fernando Verdasco (champion) Feliciano López (second round, retired) Juan Mónaco (second round) Lleyton Hewitt (second round) Ivo Karlović (first round)

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Ryan Harrison (qualified) Alex Kuznetsov (first round) Peter Polansky (qualified) Wayne Odesnik (first round) Thiemo de Bakker (qualifying competition) Ruben Bemelmans (qualifying competition) Rubén Ramírez Hidalgo (qualified) Illya Marchenko (second round)

Qualifiers

Ryan Harrison Robby Ginepri Peter Polansky

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

Main Draw Qualifying Draw