Djokovic and Federer edge closer to final clash

Updated: August 18, 2012

World No 2 Novak Djokovic has a shot at revenge against Juan Martin del Potro, who ended the Serb’s medal hopes at the London Olympics, when the two clash in the Cincinnati Open semifinals on Saturday.

World No 1 Roger Federer, who dealt with American Mardy Fish 6-3 7-6 in some style, will play his Swiss Davis Cup teammate Stanislas Wawrinka in the other semi.

Djokovic, who lost to former US Open winner Del Potro in the Olympic bronze medal match less than two weeks ago, enjoyed a routine 6-3 6-2 victory over 12th seeded Croatian Marin Cilic on Friday to advance.

A win for the top two seeds will set up a mouth watering final between the form players on the circuit and will be a chance for both players to set the marker ahead of the US Open.

In the ladies draw, Olympic champion Serena Williams suffered her first loss in nearly three months on Friday as she was knocked out of the Cincinnati Open quarterfinals, falling 6-4 6-4 to Germany’sAngelique Kerber.

While older sister Venus Williams continued her progress and moved to the semifinals with a 6-2 6-7 6-4 win over US Open champion Samantha Stosur, Serena struggled against an impressive Kerber en route to just her fourth defeat of the year.