Frederik Løchte Nielsen is a former professional tennis player. He was the top ranked player from Denmark in the ATP doubles world rankings. A former Wimbledon men's doubles champion, he peaked at no. 17 in the rankings in April 2013. Nielsen has reached five other doubles finals on tour, winning on two occasions.

Caroline Wozniacki is a Danish professional tennis player. She was ranked world No. 1 in singles for a total of 71 weeks, including at the end of 2010 and 2011. She achieved the top ranking for the first time on 11 October 2010, becoming the 20th player in the Open Era and the first from a Scandinavian country to hold the top position. In 2018, she became the first Dane to win a major singles title, at the Australian Open.