Results
ATP Houston
First round
09 - 10 April
John Isner
Bye
Dustin Brown
Henri Laaksonen
Frances Tiafoe
Mackenzie McDonald
Ernesto Escobedo
Steve Johnson
Jack Sock
Bye
Horacio Zeballos
Yoshihito Nishioka
Tim Smyczek
Taylor Fritz
Miomir Kecmanovic
Ryan Harrison
Fernando Verdasco
Denis Kudla
Taro Daniel
Ivo Karlovic
Bjorn Fratangelo
Jordan Thompson
Bye
Nick Kyrgios
Tennys Sandgren
Blaz Kavcic
Nicolás Kicker
Donald Young
Stefan Kozlov
Guido Pella
Bye
Sam Querrey