Hopman Cup scores

Group B

Switzerland bt Russia 3-0

Men's singles: Roger Federer (SUI) bt Karen Khachanov (RUS) 6-3, 7-6 (10/8)

Women's singles: Belinda Bencic (SUI) bt Anastasia Pavlyuchenkova (RUS) 6-1, 3-6, 6-3

Mixed doubles: Bencic/Federer (SUI) bt Pavlyuchenkova/Khachanov (RUS) 4-3 (5/1), 3-4 (3/5), 4-1

United States bt Japan 2-1

Women's singles: CoCo Vandeweghe (USA) bt Naomi Osaka (JPN) 6-0, 6-0 (W/O)

Men's singles: Yuichi Sugita (JPN) bt Jack Sock (USA) 7-6 (7/1), 1-1 (ret)

Mixed doubles: Vandweghe/Sock (USA) bt Osaka/Sugita (JPN) 4-0, 4-0 (W/O)