Looking back on Rafael Nadal's 2013 U.S. Open win

A year ago Rafael Nadal took out No. 1 Novak Djokovic 6-2, 3-6, 6-4, 6-1 to win the 2013 U.S. Open.

Nadal announced that he will not be competing in the tournament this year. He will miss the U.S. Open for the second time in three years; he missed it in 2012 with his knee problems.o.

Rafael Nadal, of Spain, hugs the championship trophy after winning the men's singles final over Novak Djokovic, of Serbia, at the 2013 U.S. Open tennis tournament, Monday, Sept. 9, 2013, in New York. (AP Photo/Darron Cummings)

Novak Djokovic, of Serbia, left, and Rafael Nadal, of Spain, pose for photos after Nadal beat Djokovic in the men's singles final of the 2013 U.S. Open tennis tournament, Monday, Sept. 9, 2013, in New York. (AP Photo/Julio Cortez)

Nadal of Spain raises his trophy after defeating Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain raises his trophy after defeating Novak Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Adam Hunger (UNITED STATES - Tags: SPORT TENNIS)

Rafael Nadal, of Spain, reacts after defeating Novak Djokovic, of Serbia, during the men's singles final of the 2013 U.S. Open tennis tournament, Monday, Sept. 9, 2013, in New York. (AP Photo/Peter Morgan)

Nadal of Spain rests and looks at his trophy after defeating Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain rests and looks at his trophy after defeating Novak Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Eduardo Munoz (UNITED STATES - Tags: SPORT TENNIS)

Nadal of Spain poses with his trophy after winning the men's singles final match against Djokovic of Serbia at the U.S. Open tennis tournament in New York's Central Park

Rafael Nadal of Spain poses with his trophy after winning the men's singles final match against Novak Djokovic of Serbia at the U.S. Open tennis tournament in New York's Central Park, September 10, 2013. REUTERS/Eduardo Munoz (UNITED STATES - Tags: SPORT TENNIS)

Rafael Nadal, of Spain, holds up the championship trophy after winning the men's singles final over Novak Djokovic, of Serbia, at the 2013 U.S. Open tennis tournament, Monday, Sept. 9, 2013, in New York. (AP Photo/Darron Cummings)

Queen Sofia of Spain greets parents of Rafael Nadal of Spain after he defeated Djokovic of Serbia in the men's singles final match at the U.S. Open tennis championships in New York

Queen Sofia of Spain (C) greets Ana Maria Parera (L), mother of Rafael Nadal of Spain, and his father Sebastian (R) after Rafael defeated Novak Djokovic of Serbia in the men's singles final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Andrew Gombert/pool (UNITED STATES - Tags: SPORT TENNIS)

Nadal of Spain bites his trophy after defeating Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain bites his trophy after defeating Novak Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Shannon Stapleton (UNITED STATES - Tags: SPORT TENNIS)

Nadal of Spain bites his trophy after defeating Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain bites his trophy after defeating Novak Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

Nadal of Spain greets friends and family in the stands as he celebrates after defeating Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain greets friends and family in the stands as he celebrates after defeating Novak Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Adam Hunger (UNITED STATES - Tags: SPORT TENNIS)

Nadal of Spain raises his trophy after defeating Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain raises his trophy after defeating Novak Djokovic of Serbia (L) in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

Nadal of Spain raises his trophy after defeating Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain raises his trophy after defeating Novak Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS TPX IMAGES OF THE DAY)

Nadal of Spain is congratulated by Djokovic of Serbia after his victory in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain is congratulated by Novak Djokovic of Serbia (L) after his victory in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Eduardo Munoz (UNITED STATES - Tags: SPORT TENNIS)

Nadal of Spain celebrates after defeating Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain celebrates after defeating Novak Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

Nadal of Spain celebrates after defeating Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain celebrates after defeating Novak Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

Nadal of Spain celebrates a point against Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain celebrates a point against Novak Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Ray Stubblebine (UNITED STATES - Tags: SPORT TENNIS TPX IMAGES OF THE DAY)

Djokovic of Serbia hits a return to Nadal of Spain during their men's final match at the U.S. Open tennis championships in New York

Novak Djokovic of Serbia reaches down to hit a return to Rafael Nadal (L) of Spain during their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Ray Stubblebine (UNITED STATES - Tags: SPORT TENNIS)

Nadal of Spain hits a return to Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain hits a return to Novak Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Eduardo Munoz (UNITED STATES - Tags: SPORT TENNIS)

Djokovic of Serbia hits a return to Nadal of Spain during their men's final match at the U.S. Open tennis championships in New York

Novak Djokovic of Serbia reaches down to hit a return to Rafael Nadal of Spain during their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

Nadal of Spain celebrates a point against Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York

Rafael Nadal of Spain celebrates a point against Novak Djokovic of Serbia in their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Eduardo Munoz (UNITED STATES - Tags: SPORT TENNIS)

Djokovic of Serbia serves to Nadal of Spain during their men's final match at the U.S. Open tennis championships in New York

Novak Djokovic of Serbia serves to Rafael Nadal of Spain during their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Ray Stubblebine (UNITED STATES - Tags: SPORT TENNIS)

Djokovic of Serbia hits a return to Nadal of Spain during their men's final match at the U.S. Open tennis championships in New York

Novak Djokovic of Serbia hits a return to Rafael Nadal of Spain during their men's final match at the U.S. Open tennis championships in New York, September 9, 2013. REUTERS/Kena Betancur (UNITED STATES - Tags: SPORT TENNIS)