Who was India's No. 1 player in both singles and doubles before their retirement, Frederik Nielsen or Sania Mirza?
Frederik Nielsen Frederik Løchte Nielsen (born 27 August 1983) is a professional male tennis player. He is a former Wimbledon Men's Doubles champion, in 2012, and now competes mainly on the ATP Challenger Tour in both singles and doubles. Nielsen is coached by fellow Dane John Larsen and is a member of the Denmark Davis Cup team. His grandfather is former grand slam finalist Kurt Nielsen.
Jan Frode Andersen Jan Frode Andersen (born 29 August 1972) is a Norwegian tennis player. He played tennis for Norway, including competing in at least 60 countries over a span of 8 years after turning professional in 1997. He represented Norway in the Davis Cup for 10 consecutive years compiling a 30-22 record (25-14 in singles). His highest ATP ranking was 135. This makes him the third best player in Norwegian history, after Christian Ruud and Casper Ruud.