
Russian tennis player Elena Vesnina talks with an Olympic volunteer after arriving at Heathrow Airport outside London on Wednesday, July 18, 2012, as the city prepares for the 2012 Summer Olympics. (AP Photo/Charlie Riedel)

Russian tennis player Elena Vesnina talks with an Olympic volunteer after arriving at Heathrow Airport outside London on Wednesday, July 18, 2012, as the city prepares for the 2012 Summer Olympics. (AP Photo/Charlie Riedel)

Venus Williams' 6-1, 6-3 loss to Elena Vesnina marked the first time since the 2006 Australian Open that she lost in the first round of a Grand Slam event. (Associated Press)

Venus Williams' 6-1, 6-3 loss to Elena Vesnina marked the first time since the 2006 Australian Open that she lost in the first round of a Grand Slam event. (Associated Press)

Serena Williams of the United States gestures with her sister Venus, right, during their doubles match against Russian pair Vera Zvonareva and Elena Vesnina at the All England Lawn Tennis Championships at Wimbledon, Wednesday, June 30, 2010. (AP Photo/Anja Niedringhaus)