Roger Federer of Switzerland in action against Nikolay Davydenko of... News Photo - Getty Images
Nikolay Davydenko: 'Beating Roger Federer was the most important moment of my career'
I could not gain any control" Nikolay Davydenko calls Roger Federer his 'toughest opponent'
Davydenko downs Federer - Eurosport
Federer wakes from slumber to overcome Davydenko | Reuters.com
Roger Federer (R) of Switzerland shakes hands Nikolay Davydenko of Russia during their final match at the Estoril Open tennis tournament in Lisbon April 20, 2008. Federer won the tournament by the
Roger Federer overcomes Nikolay Davydenko in Australian Open thriller | Australian Open | The Guardian
Roger Federer: Nikolay Davydenko Won't Test Fed at Australian Open | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Cool Federer fires past Davydenko | Sports | Al Jazeera
Brilliant Davydenko downs Federer | Sports | Al Jazeera
Federer downs Davydenko to reach semis - China.org.cn
Federer Loses to Davydenko in 3 Sets - The New York Times