Western & Southern Open - Friday Results, Saturday Order of Play SEMIFINALS SET AT WESTERN & SOUTHERN OPEN   RESULTS - FRIDAY, August 17, 2018 ATP Singles - Quarterfinals [2] Roger Federer (Switzerland) d [WC] Stan Wawrinka (Switzerland) 67(2) 76(6) 62 [11] David Goffin (Belgium) d [4] Juan Martin del Potro (Argentina) 76(5) 76(4) [7] Marin … [Read more...] about Western & Southern Open – Friday Results, Saturday Order of Play