Results from day five of the Singapore Open on Friday: Men's singles - quarter finals Radu Albot (MDA x6) bt Adrian Mannarino (FRA x1) 6-3, 6-4 Alexander Bublik (KAZ x4) bt Yoshihito Nishioka (JPN x5) 6-3, 6-2 Marin Cilic (CRO x3) bt Kwon Soon-woo (KOR x8) 6-2, 2-6, 7-5 Alexei Popyrin (AUS) bt Matthew Ebden (AUS) 6-4, 7-6 (9/7) afp