A relentless Novak Djokovic dethroned clay king Rafa Nadal on the Spaniard's home soil and maintained his extraordinary season when he stunned the world number one 7-5 6-4 to win the Madrid Masters title.
China's sixth seed Li Na failed to enter the final at the Madrid Masters tennis tournament, going down in straight sets to Petra Kvitova of Czech Republic in Saturday's semifinal clash.
Rafael Nadal will take on Roger Federer at the Madrid Open for the third straight year after both men came through their quarterfinal matches in straight sets on Friday.
World number one Caroline Wozniacki suffered a third-round defeat to Julia Goerges at the Madrid Open on Wednesday when the unseeded German won 6-4 1-6 6-3 for her second victory over the Dane in two weeks.
Chinese tennis ace Li Na fought back from a set down to beat Italian Roberta Vinci 2-6 6-2 6-1 in Women's third round matches at the 8.585-million-euro Madrid Masters tennis tournament on Thursday.
World number one Rafa Nadal began his quest for a third claycourt title in a month with a 6-1 6-3 drubbing of unseeded Cypriot Marcos Baghdatis in the Madrid Masters second round on Wednesday.
Chinese tennis ace Li Na beat Czech Iveta Benesova in straight sets in the second round of the 8.585-million-euro Madrid Masters tennis tournament on Wednesday.
Li Na of China returns the ball to Maria Jose Martinez Sanchez of Spain during their Madrid Open tennis match May 2, 2011.
Andy roddick had his serve broken four times by the Italian ranked 148 places below him at number 160.
Novak Djokovic defeated Feliciano Lopez 7-6 (4), 6-2 on Sunday to win the Serbia Open for his fifth title and 27th straight victory this season.
Novak Djokovic cruised to his 25th consecutive win this season by beating Romanian qualifier Adrian Ungur 6-2, 6-3 in his clay court opener in the second round of the Serbia Open on Wednesday.
Rafa Nadal said he must try to keep improving his game after securing a seventh straight Monte Carlo Masters title at the weekend.