US Open 2011: Roger Federer struggles to accept Novak Djokovic

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

Federer, Djokovic advance to semis at Indian Wells - The San Diego Union-Tribune

Roger Federer – Wikipedia

Which are the most devastating losses in careers of Federer, Nadal and Djokovic? - Quora

Which are the most devastating losses in careers of Federer, Nadal and Djokovic? - Quora

Roger Federer vs. Novak Djokovic: A Rivalry That Sizzles in the Paris Sun, News, Scores, Highlights, Stats, and Rumors

No. 1 Novak Djokovic, No. 2 Roger Federer easily reach U.S. Open final - CBS News

US Open 2011, Sport

Novak Djokovic Defeats Roger Federer, New York - WSJ

Why Novak Djokovic Performs Under Pressure, Earning 23rd Grand Slam Title at French Open

2011 U.S. Open: Men's Final Could Punctuate, or Puncture, the Year's Narrative - The New York Times

Roger Federer makes quick work of Juan Monaco at US Open

Rafael Nadal tops Roger Federer in straight sets; Novak Djokovic vs. Dominic Thiem suspended at French Open

Lago Titicaca Selezionare Rifiuto 2011 us open tennis winner Seminario impicciarsi Voltaggio