2013 Indian Wells

INDIAN WELLS, CA - MARCH 14: Rafael Nadal of Spain (L) shakes hands with Roger Federer of Switzerland after Nadal won their quarterfinal match during day 9 of the BNP Paribas Open at Indian Wells Tennis Garden on March 14, 2013 in Indian Wells, California. Nadal won 6-4, 6-2. (Photo by Stephen Dunn/Getty Images)

INDIAN WELLS, CA - MARCH 14: Rafael Nadal of Spain (L) embraces with Roger Federer of Switzerland after Nadal won their quarterfinal match during day 9 of the BNP Paribas Open at Indian Wells Tennis Garden on March 14, 2013 in Indian Wells, California. Nadal won 6-4, 6-2. (Photo by Stephen Dunn/Getty Images)

INDIAN WELLS, CA - MARCH 14: Rafael Nadal of Spain celebrates after defeating Roger Federer of Switzerland in their quarterfinal match during day 9 of the BNP Paribas Open at Indian Wells Tennis Garden on March 14, 2013 in Indian Wells, California. Nadal won 6-4, 6-2. (Photo by Stephen Dunn/Getty Images)

INDIAN WELLS, CA - MARCH 14: Rafael Nadal of Spain celebrates after defeating Roger Federer of Switzerland in their quarterfinal match during day 9 of the BNP Paribas Open at Indian Wells Tennis Garden on March 14, 2013 in Indian Wells, California. Nadal won 6-4, 6-2. (Photo by Stephen Dunn/Getty Images)

Rafael Nadal (L) of Spain and Roger Federer (R) of Switzerland pat each other on the back before warming up for their men's singles quarterfinal match at the BNP Paribas Open ATP tennis tournament in Indian Wells, California, March 14, 2013. REUTERS/Danny Moloshok (UNITED STATES - Tags: SPORT TENNIS)