ATP Finals, (s)punti tecnici verso le semifinali: il dritto di Roger Federer
Roger Federer pulls out of ATP Tour Finals with back injury | Roger Federer | The Guardian
Stan Wawrinka v Roger Federer: The Long-Awaited All-Swiss Final In Monte Carlo | ATP Tour | Tennis
Aces and Faults: Novak Djokovic and the Bryan brothers finish the ATP season on top - Sports Illustrated
Stan Wawrinka reflects on 'crybaby' feud with Roger, Mirka Federer at 2014 ATP Finals
In brief: Djokovic vs Federer for ATP Finals title | The Spokesman-Review
Roger Federer breezes past Kei Nishikori at ATP World Tour Finals | ATP World Tour Finals | The Guardian
Injury forces Roger Federer out of ATP World Tour Final - YouTube
Top-ranked Djokovic tops Federer to win ATP finals
Roger Federer Drops Out of ATP World Tour Final Due to Back Injury | Time
Roger Federer determined to bounce back in 2014 despite fall in ATP world rankings
Back injury forces Federer to withdraw at ATP Finals
ATP World Tour Finals 2014: Novak Djokovic vs Roger Federer match preview | The Independent | The Independent
Roger Federer Withdraws Before Year-End Final With Novak Djokovic - The New York Times
ATP Finals: Federer vs. Djokovic in tantalizing finale
Roger Federer nears the top, erases doubts of 2013
Roger Federer London World Tour Finals 2014 Nike Outfit
ATP World Tour Finals: Roger Federer forced to withdraw from final against Novak Djokovic | Tennis News | Sky Sports
Roger Federer's Success at 2014 ATP Finals Shows Old-School Tennis Still Matters | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Federer withdraws, Djokovic wins ATP Finals
Djokovic–Federer rivalry - Wikipedia
