Results ATP Houston

Last 16 11 - 12 April

USA John Isner
SUI Henri Laaksonen
6 6
4 2
USA Frances Tiafoe
USA Steve Johnson
3 4
6 6
USA Jack Sock
ARG Horacio Zeballos
6 6
4 4
USA Taylor Fritz
USA Ryan Harrison
3 6 6
6 0 3
USA Denis Kudla
CRO Ivo Karlovic
5 5
7 7
USA Bjorn Fratangelo
AUS Nick Kyrgios
7 1 2
6 6 6
USA Tennys Sandgren
ARG Nicolás Kicker
6 7
2 6
ARG Guido Pella
USA Sam Querrey
2 7 7
6 6 6