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