Wawrinka beat Andrey Kuznetsov 6-3, 7-6 (4) ; Zverev beat Kei Nishikori 6-4, 3-6, 6-3.
AP, USA Today: Sports
Fri, 05/26/2017 - 10:26am
Wawrinka beat Andrey Kuznetsov 6-3, 7-6 (4) ; Zverev beat Kei Nishikori 6-4, 3-6, 6-3.