Which tennis player won more doubles titles, Leoš Friedl or Sara Errani?
Leoš Friedl:  During his career, Friedl won 16 top-level doubles titles and the 2001 Wimbledon mixed doubles title with Daniela Hantuchová, where they beat Mike Bryan and Liezel Huber, 4–6, 6–3, 6–2. Sara Errani: Sara Errani (] ; born April 29, 1987) is a professional tennis player from Italy.
i don't know