Gilles Muller beat second-seeded Pablo Cuevas 7-6 , 6-4 on Thursday to advance to the Sydney International semifinals against two-time defending champion Viktor Troicki Muller to meet defending champ Troicki in Sydney semifinals Gilles Muller beat second-seeded Pablo Cuevas 7-6 , 6-4 on Thursday to advance to the Sydney International semifinals against two-time defending champion Viktor Troicki Check out this story on USATODAY.com: http://usat.ly/2jxxoMz SYDNEY – Gilles Muller beat second-seeded Pablo Cuevas 7-6 , 6-4 on Thursday to advance to the Sydney International semifinals against two-time defending champion Viktor Troicki. Troicki was scheduled to face No.