Stan Wawrinka (4), Switzerland, def. Jannik Sinner, Italy, 6-3, 6-2.
Andy Murray, Britain, def. Ugo Humbert, France, 3-6, 7-5, 6-2.
Rajeev Ram, United States, and Joe Salisbury (2), Britain, def. Sander Gille and Joran Vliegen (4), Belgium, 6-7 (5), 6-4, 10-4.
Kevin Krawietz and Andreas Mies (1), Germany, def. Paolo Lorenzi and Jannik Sinner, Italy, 6-1, 7-5.Saturday
At Lotto Arena
Surface: Hardcourt indoor
ANTWERP, BELGIUM (AP) _ Results Saturday from European Open at Lotto Arena (seedings in parentheses):
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