(dpa) - Collated results on Friday at the 2.61- million-dollar Cincinnati Masters (x indicates new result).
Quarter-finals
x Rafael Nadal, 2, Spain, def. Nicolas Lapentti, Ecuador, 7-6 (7- 3), 6-1
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)