Naby Keita and Edgar Sevikjan scored in the 2-1 win against Karlsruher SC.
In the Austrian training camp, Zachariassen's goal made us win 1-0 against Zlín.
Callum O'Dowda has joined Ferencvárosi Torna Club from Cardiff City in Wales.
Ferencváros beat the hosts 4-0 on the final day of the first summer training camp in Mezőkövesd.
The 24-year-old Belgian defender Toon Raemaekers will continue his career at Ferencváros.
Ferencvaros strengthens with Swedish winger.
26-year-old Daniel Arzani arrives at Ferencváros from Melbourne Victory.
The 24-year-old Barnabás Nagy joins Ferencváros from Nyíregyháza Spartacus.