Nikolay Davydenko of Russia celebrates after beating Roger Federer of Switzerland 6-2 4-6 7-5 in...

Nikolay Davydenko of Russia plays against Roger Federer of Switzerland in a singles semi-final match during the...

Federer out of ATP Finals

Roger Federer has been eliminated from the ATP World Tour Finals after losing to Nikolay Davydenko 6-2, 4-6, 7-5 in the semifinals.

...26, 2009 in London, England (Photo by Clive Brunskill/Getty Images) 2- : LONDON, ENGLAND - NOVEMBER 27: Nikolay Davydenko of Russia returns the ball during the men's singles round robin match against Robin Soderling...

Davydenko win knocks Djokovic out

Nikolay Davydenko grabbed the last semifinal spot at the ATP World Tour Finals by beating Robin Soderling 7-6 (4), 4-6, 6-3, knocking defending champion Novak Djokovic out of the tournament.

Waxing and waning in the World Tour Finals

...brushing aside stories the knees will cut his career short. Falling convincingly to Soderling and Russian Nikolay Davydenko in both his Group B encounters shouldn't surprise anyone. He's had a fragmented year...

Del Potro squeaks into semifinals

Andy Murray wasted 12 of 13 break points before overcoming Fernando Verdasco 6-4, 6-7 (4), 7-6 (3) Thursday to close in on a semifinal spot at the ATP World Tour Finals.

Davydenko beats Nadal; Soderling wins

Rafael Nadal fell out of contention for a spot in the semifinals at the ATP World Tour Finals with a second straight defeat, losing 6-1, 7-6 (4) against Nikolay Davydenko.

Federer, Del Potro win at tour finals

Roger Federer dropped the first set but beat Andy Murray at the ATP World Tour Finals.

Soderling again has Nadal's number

Rafael Nadal has lost to Robin Soderling for the second straight time, falling 6-4, 6-4 in their opening round-robin match at the ATP World Tour Finals.

Soderling maturing before our eyes

...dispatched the dogged dirt-baller David Ferrer prior to upending Nadal, then dismantled experienced clay-courter Nikolay Davydenko and edged explosive Chilean Fernando Gonzalez to reach a maiden Grand Slam final. Who else but...

Russia's Nikolay Davydenko returns to Argentina's Juan Martin Del Potro during the final of the ATP World Tour...

Russia's Nikolay Davydenko signs autographs after he beat Argentina's Juan Martin Del Potro to win the final of...

Russia's Nikolay Davydenko celebrates with the trophy after he beat Argentina's Juan Martin Del Potro to win the...

Russia's Nikolay Davydenko arrives for his match against Argentina's Juan Martin Del Potro in the final of the...