World number two Rafa Nadal has earned a place in the semi-finals of the Sony Ericsson Open tennis tournament. At Key Biscayne, Florida, on Wednesday, he overcame France's Jo-Wilfried Tsonga in three sets 6-2 5-7 6-4, Nadal next faces fourth-seeded Briton Andy Murray, who rallied for a 4-6, 6-3, 6-4 win over Serbian Janko Tipsarevic.In the women's section, World number one Victoria Azarenka's 26-match winning streak finally came to an end yesterday. She lost to France's Marion Bartoli in straight sets 3-6, 3-6.Seventh-seed Bartoli moved into the semi-finals where she will face Poland's Agnieszka Radwanska, who beat Venus Williams 6-4, 6-1.Azarenka's winning streak was the best start to a WTA Tour season since Martina Hingis won 37 in a row in 1997.The Belarusian's impressive run included wins in her last four tournaments, Sydney, the Australian Open, Doha and Indian Wells, but it was clear the run had taken a toll.