Career
See Katharina_Gerlachin for the 16th-century printer. On 27 April 2015, she reached her best singles ranking of world number 694. On 29 December 2014, she peaked at world number 682 in the doubles rankings.
Gerlach made her Women's Tennis Association tour debut at the 2015 Nürnberger Versicherungscup, partnering Lena Rüffer in doubles, but lost in the first round to eventual tournament champions Chan Hao-ching and Anabel Medina Garrigues.
Singles (0–1).
