Hingis again number one in doubles

The Swiss Martina Hingis (right) is back at the top of the doubles world rankings for the first time in 18 years. After securing the title in Sydney together with her tennis partner Sania Mirza, the 35-year-old is again number one together with the Indian. Hingis last led the doubles competition in 1998 at the age of 17. At the beginning of February, Hingis and Switzerland will meet the German team of team boss Barbara Rittner in the first round of the Fed Cup in Leipzig.