John Isner, of the United States, serves to Xavier Malisse, of Belgium, at the SAP Open tennis tournament in San Jose, Calif., Friday Feb. 15, 2013. Isner won 7-6 (8), 6-2. (AP Photo/Marcio Jose ... more 

John Isner, of the United States, serves to Xavier Malisse, of Belgium, at the SAP Open tennis tournament in San Jose, Calif., Friday Feb. 15, 2013. Isner won 7-6 (8), 6-2. (AP Photo/Marcio Jose Sanchez) less