US Open 2011: Roger Federer struggles to accept Novak Djokovic defeat, US Open 2011

Roger Federer was left stung by Novak Djokovic's comeback in their five-set US Open semi-final

Novak Djokovic has won 24 Grand Slam titles. Here is a look at each one

The Shot, 10 Years Later. “That miracle forehand…does that change…, by Juan José Vallejo

2011: Djokovic hits return heard 'round the world to beat Federer

Federer dazzles on Day 3 of World Tour Finals - Sports Illustrated

Are You Kidding Me?'- A Frustrated Roger Federer Once Went All Salty Over His Humiliating Defeat to Novak Djokovic at The US Open - EssentiallySports

French Open 2011: 6 Reasons Roger Federer Won't Win at Roland Garros, News, Scores, Highlights, Stats, and Rumors

Generation game: The kids threatening Roger Federer, Novak Djokovic, Andy Murray and Rafael Nadal at the top of tennis, The Independent

Roger Federer beats Novak Djokovic in Dubai Championship semi-finals - ABC News

New No. 1 Djokovic, old No. 1 Nadal reach final at Wimbledon

Roger Federer: You can't always win, spc talk