The German ousted John Isner; Kyrgios knocked off Ivo Karlovic.
Mar 28, 2017
by Brad Kallet
In other second-round action, fourth-seeded Steve Johnson beat Tim Smyczek.
Feb 16, 2017
Karlovic—who hit 75 aces—and Zeballos set the record for most games played at the Oz Open.
Jan 17, 2017
Argentina and Croatia proved again that Davis Cup never disappoints. Our finals recap.
Nov 27, 2016
by Steve Tignor
The Croat lost a two-set lead to Juan Martin del Potro.