![David Nalbandian of Argentina returns a backhand to Mario Ancic of Croatia during their match at the Nasdaq- 100 Open tennis tournament in Key Biscayne, Fla.,Wednesday, March 29, 2006.(AP Photo/Steve Mitchell Stock David Nalbandian of Argentina returns a backhand to Mario Ancic of Croatia during their match at the Nasdaq- 100 Open tennis tournament in Key Biscayne, Fla.,Wednesday, March 29, 2006.(AP Photo/Steve Mitchell Stock](https://c8.alamy.com/comp/2PD85MH/david-nalbandian-of-argentina-returns-a-backhand-to-mario-ancic-of-croatia-during-their-match-at-the-nasdaq-100-open-tennis-tournament-in-key-biscayne-flawednesday-march-29-2006ap-photosteve-mitchell-2PD85MH.jpg)
David Nalbandian of Argentina returns a backhand to Mario Ancic of Croatia during their match at the Nasdaq- 100 Open tennis tournament in Key Biscayne, Fla.,Wednesday, March 29, 2006.(AP Photo/Steve Mitchell Stock
![Chile's Nicolas Massu reacts during a Mexico Tennis Open game against Carlos Moya in Acapulco, Mexico, Wednesday, Feb. 27, 2008. (AP Photo/Eduardo Verdugo Stock Photo - Alamy Chile's Nicolas Massu reacts during a Mexico Tennis Open game against Carlos Moya in Acapulco, Mexico, Wednesday, Feb. 27, 2008. (AP Photo/Eduardo Verdugo Stock Photo - Alamy](https://l450v.alamy.com/450v/2padnbc/chiles-nicolas-massu-reacts-during-a-mexico-tennis-open-game-against-carlos-moya-in-acapulco-mexico-wednesday-feb-27-2008-ap-photoeduardo-verdugo-2padnbc.jpg)
Chile's Nicolas Massu reacts during a Mexico Tennis Open game against Carlos Moya in Acapulco, Mexico, Wednesday, Feb. 27, 2008. (AP Photo/Eduardo Verdugo Stock Photo - Alamy
![Fernando Gonzalez, of Chile, celebrates winning a game against Mario Ancic in the second round of the Pacific Life Open tennis tournament in Indian Wells, Calif., Sunday, March 16, 2008. (AP Photo/Mark Fernando Gonzalez, of Chile, celebrates winning a game against Mario Ancic in the second round of the Pacific Life Open tennis tournament in Indian Wells, Calif., Sunday, March 16, 2008. (AP Photo/Mark](https://c8.alamy.com/comp/2PABFJ0/fernando-gonzalez-of-chile-celebrates-winning-a-game-against-mario-ancic-in-the-second-round-of-the-pacific-life-open-tennis-tournament-in-indian-wells-calif-sunday-march-16-2008-ap-photomark-avery-2PABFJ0.jpg)