Career
On 17 August 2015, she reached her best singles ranking of world number 49. On 1 February 2016, she peaked at world number 325 in the doubles rankings. Witthöft made her Women's Tennis Association tour debut at the 2012 Swedish Open.
Having defeated Marina Shamayko, Akgul Amanmuradova and Jill Craybas to qualify, she played in the first round of the main draw against Kateryna Bondarenko, losing in straight sets to the Ukrainian.
(11–7) Doubles (1–0) Doubles.