(dpa) - Results on Friday at the 2.61-million- dollar Cincinnati Masters (x indicates new result).
Quarter-finals
x Novak Djokovic, 3, Serbia, def. Ernests Gulbis, Latvia, 6-3, 6-4
Andy Murray, 8, Britain, def. Carlos Moya, Spain, 2-6, 6-3, 6-1
Ivo Karlovic, 16, Croatia, def. Philipp Kohlschreiber, Germany, 7- 6 (8-6), 7-6 (7-3)