Angelique Kerber is a German former professional tennis player. She was ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA) for 34 weeks, including as the year-end No. 1 in 2016. Kerber won 14 WTA Tour-level singles titles, including three majors at the 2016 Australian Open, 2016 US Open, and 2018 Wimbledon Championships. She also won a silver medal in women's singles at the 2016 Rio Olympics. WTA world No. 1 from September 12, 2016 to January 29, 2017 — 20 weeks. Wiki link