Catherine Bellis of the United States reacts after defeating Dominika Cibulkova of Slovakia during their women’s singles first round match on Day Two of the 2014 US Open. Photograph: Streeter Lecka/Getty Images

Fifteen-year-old American wild card Cici Bellis stunned Australian Open finalist Dominika Cibulkova in the biggest upset of the US Open so far. Bellis(...)

Laura Robson  hits a return to Mariana Duque-Marino of Colombia during their women’s singles tennis match at the Wimbledon Tennis Championships. Photograph: Stefan Wermuth /Reuters

Laura Robson can thank Andy Murray for shouldering the lion’s share of expectation. As the more celebrated names have fallen, Murray’s chances of meet(...)

Maria Sharapova of Russia serves to Zheng Jie of China during their women’s singles match at the French Open tennis tournament at the Roland Garros stadium in Paris. Photograph: Stephane Mahe/Reuters

Maria Sharapova called for HawkEye to be used at the French Open after being on the wrong end of a dubious call in her third-round win over Zheng Jie (...)