Djokovic streak hits 15
Federer wins all-Swiss semi-final in straight sets
Last Updated: 19/08/12 12:02pm
Novak Djokovic: impressive form heading into US Open
Novak Djokovic beat Juan Martin Del Potro 6-3 6-2 in the semi-finals of the Cincinnati Masters to avenge his defeat by the Argentine in the Olympics bronze medal match.
It was a 15th hardcourt win in a row for the second-seeded Serb, who won the Masters title in Toronto six days ago.
He will face World No.1 and top seed Roger Federer in Sunday's final, after the Wimbledon champion won his all-Swiss semi-final against Stanislas Wawrinka 7-6 6-3.
Reigning US Open champion Djokovic needed just under 90 minutes to see off Del Potro, who was feeling the pain from a left wrist injury and was treated late in the opening set.
Djokovic has been brilliant on serve in recent weeks, saving 60 of his last 66 break points.
"In those situations I focus on each point," Djokovic said. "You have to give 100 per cent when you're down BP or have one. I try to concentrate even more.
"I try to go for my shots, step into the court or mix up the serve. It has been working well so far. I know how to cope with pressure and I know what to do."
Djokovic added that the match turned on the 11-minute third game, when he saved four break points before finally escaping for 2-1 from a Del Potro error.
"That was a very big game, and at this level very thin margins decide winners," said Djokovic. "We had a lot of long rallies at the start and he had break chances. I think the game marked a momentum shift.
"I held my nerves and played well and delivered the best game when needed."
Del Potro was the first Argentine to reach the semis in Cinci since Guillermo Vilas reached the final 40 years ago.
Federer, meanwhile, required one hour and 35 minutes to see off his Swiss compatriot 7-6 (7-4) 6-3.
Wawrinka went toe-to-toe with his close friend in the opening set, but Federer held his nerve in the tie-breaker.
It was a similar story in the second set before Federer took charge with consecutive breaks of serve.