Bundesliga club VfB Stuttgart also won its second pre-season friendly.
After the easy 7:1 at state division club SV Böblingen, VfB had a little more trouble with third division club SV Wehen Wiesbaden at 3:2 (1:1).
Austrian centre-forward Sasa Kalajdzic, who has been linked with a substitution, scored the lead in the 14th minute. Mateo Klimowicz (73rd), who turned 22 on Wednesday, and Alou Kuol from the penalty spot (84th) scored the other goals for the Swabians.
Coach Pellegrino Matarazzo was absent on the touchline. The 44-year-old is in isolation after a corona infection, as is striker Wahid Faghir.