In this July 3, 2012 file photo, ground staff pull a rain cover onto the court as rain delays play a match between Jo-Wilfried Tsonga and Mardy Fish at the
In this July 3, 2012 file photo, ground staff pull a rain cover onto the court as rain delays play a match between Jo-Wilfried Tsonga and Mardy Fish at the All England Lawn Tennis Championships at Wimbledon, England. (Sang Tan, Associated Press)