Serena Williams of the U.S. and Vitalia Diatchenko of Russia talk after Diatchenko retired from their match during the U.S. Open tennis tournament at Arthur Ashe Stadium in New York. Diatchenko appeared severely hobbled from the start, unable to move well, and retired in the second set. Photo: Todd Heisler/The New York Times

Serena Williams, as befits the grand dame of tennis, began the pursuit of a calendar grand slam with a regal swat on the first evening of the 2015 US (...)

Michelle Larcher De Brito of Portugal after defeating Maria Sharapova of Russia in their singles  match at the Wimbledon Tennis Championships, in London. Photograph: Stefan Wermuth/Reuters

Maria Sharapova was dumped out of Wimbledon by world number 131 Michelle Larcher de Brito on Wednesday.The former champion fumed about the grass surfa(...)

Russia’s Maria Sharapova after her victory over Kristina Mladenovic of France.

Perhaps all it took was a match, the scent of the grass, the sound of the ball and action. This year’s tacky pre-tournament verbal exchange between Se(...)

Spain’s Rafael Nadal waves to the crowd after losing to Belgium’s Steve Darcis during day one of the Wimbledon Championships . Photograph: Dominic Lipinski/PA Wire

Rafael Nadal refused to blame his problematic knees in the wake of his shock first-round exit at the hands of Steve Darcis this afternoon. The Spaniar(...)