After having two children, she started a professional career at the end of 2013, joining Legends Fight & Box Academy in Berlin.
On June 18, 2015, Kerwat's manager, Andreas Greiner announced that Enno Werle was appointed as long term coach.
On 1 August 2015, Kerwat fought against Polish Danka Kruczek in Babelsberg (Metropolis-Halle), Potsdam, winning through TKO in the 1 round (1.10 minutes).
[4] On 16 June after being trained in Germany by Ulli Wegner,[5] Kerwat fought in Berlin's Max-Schmeling-Halle against world champion Ramona Kühne.
[6] Since 2017 she has been travelling to Pensacola to train with Roy Jones Jr.[7] She took part in the "Give To Eat Mission" which provides food and medicine for children in Ghana.