ST. PETERSBURG, Russia " Results Saturday in the St. Petersburg Open:
Alexander Zverev (5), Germany, def. Tomas Berdych (3), Czech Republic, 6-4, 6-4.
Stan Wawrinka (1), Switzerland, def. Roberto Bautista Agut (4), Spain, 7-6 (8), 6-2.
Dominic Inglot, Britain, and Henri Kontinen (1), Finland, def. Konstantin Kravchuk and Andrey Kuznetsov, Russia, 6-3, 6-0.
This story has been automatically published from the Associated Press wire which uses US spellings