Friday's results at the 2.27-million euros Hamburg Masters Series. ( dpa )
Quarter-finals:
Roger Federer, 1, Switzerland, def. Fernando Verdasco, Spain, 6-3, 6-3
Rafael Nadal, 2, Spain, def. Carlos Moya, 11, Spain, 6-1, 6-3
Novak Djokovic, 3, Serbia, def. Albert Montanes, Spain, 6-2, 6-3
Andreas Seppi, Italy, def. Nicolas Kiefer, Germany, 6-3, 5-7, 7-5