Isner, Harrison, Johnson and Rubin all lost on Wednesday.
Jan 18, 2017
by Brad Kallet
Ryan Harrison will face Tomas Berdych and Jack Sock will take on Karen Khachanov.
Jan 17, 2017
by Steve Tignor
Winners on Day 1 included Venus Williams, Shelby Rogers, CoCo Vandeweghe and Jack Sock.
Jan 16, 2017
Earlier, Caroline Wozniacki rallied from 0-4 down to defeat former champion Svetlana Kuznetsova.
Aug 31, 2016
Ryan Harrison stunned No. 5 seed Milos Raonic, 6-7 (4), 7-5, 7-5, 6-1.