ROTTERDAM, Netherlands (AP) -- Defending champion Tomas Berdych dispatched Gilles Simon ... The fourth-seeded Wawrinka beat second-seeded Milos Raonic of Canada 7-6 (3), 7-6 (7).

Among the players who attended were recent US Open winner Stan Wawrinka, Wimbledon finalist Milos Raonic and world No. 9 Tomas Berdych (who is making a return from appendicitis). The ATP stars ...