Annika Beck was born in Gießen on February 16, 1994. Beck won two singles titles and one doubles title on the WTA Tour, as well as seven singles titles on the ITF Women's Circuit. On 18 July 2016, she reached her best singles ranking of world No. 37, and on the same date, she peaked at No. 84 in the WTA doubles rankings.
Her father Johannes and her mother Petra teach chemistry at the University of Bonn. Beck attended the Erzbischöfliche Liebfrauenschule Bonn, a school for girls, where she completed her Abitur in 2011.
In October 2014, Beck won her first WTA Tour title by defeating Barbora Záhlavová-Strýcová in the Luxembourg Open final. After early exits at Wimbledon and the US Open 2015 and her first WTA doubles title, Beck won her second WTA singles title at the Tournoi de Québec by beating Jeļena Ostapenko (who had defeated her in their last meeting) in straight sets.
On October 21, Beck announced her retirement from professional tennis.