Kevin Anderson, of South Africa, returns a shot against Borna Coric, of Croatia, during a quarterfinal in the Winston-Salem Open tennis tournament in Winston-Salem, N.C., Thursday, Aug. 27, 2015. (AP Photo/Chuck Burton)

Anderson advances to Winston-Salem Open semifinals

Associated Press/Chuck Burton – Kevin Anderson, of South Africa, returns a shot against Borna Coric, of Croatia, during a quarterfinal in the Winston-Salem Open tennis tournament in Winston-Salem, N.C., Thursday, Aug. 27, 2015. (AP Photo/Chuck Burton)