At Utsubo Tennis Center
Surface: Hardcourt outdoor
TOKYO (AP) _ Results Sunday from Olympic Tournament Women Singles at Utsubo Tennis Center (seedings in parentheses):
Alexander Zverev (4), Germany, def. Karen Khachanov (12), ROC, 6-3, 6-1.
Barbora Krejcikova and Katerina Siniakova (1), Czech Republic, def. Viktorija Golubic and Belinda Bencic, Switzerland, 7-5, 6-1.
Anastasia Pavlyuchenkova and Andrey Rublev, ROC, def. Elena Vesnina and Aslan Karatsev, ROC, 6-3, 6-7 (5), 13-11.