Novak, Roger in last four

World number one Novak Djokovic and 17-times Grand Slam winner Roger Federer will battle for a place in the Shanghai Masters final after they powered through their quarterfinal matches Friday.
Gilles Simon of France and Spaniard Feliciano Lopez will also meet in Saturday's semifinals as the tournament reaches its dramatic climax.
Federer won his evening match against Julien Benneteau of France, taking the first set at the tie-break, before demolishing his opponent in the second to finish with a 7-6 (7/4), 6-0 scoreline.
Djokovic marched into the semifinals by overcoming David Ferrer 6-4, 6-2 as he vies for his third successive title.
Meanwhile, Simon continued his great run in Shanghai, overwhelming Tomas Berdych in a scintillating final set to claim his second top-10 scalp in three days. The world number 29 won 7-6 (7/4), 4-6, 6-0 to enter his second successive semifinal, after also making the last four in Tokyo last week where he lost to Milos Raonic.
The 29-year-old will fancy his chances against Lopez of Spain in the semifinals.
The world number 21 beat Mikhail Youzhny of Russia 5-7, 6-4, 6-4 in a thrilling match between two thirty-something players.