Mitrović scored three goals in the first round of the Euroleague Group, in an 8–9 loss to Szeged Beton VE.

On 8 February Stefan Mitrović scored a goal for Partizan in the fifth round of the Euroleague Group in which his team won without much problem 9–5 against TEVA-Vasas-UNIQA.

On 15 February Mitrović scored his first goal of the Serbian National Championship season, in the second round of the "A League", in an 8–6 win against Crvena Zvezda VET.

Starting with the 2016–2017 season he will be playing for Ferencvárosi TC alongside other signings from his previous team such as Dániel Varga, Norbert Madaras and Márton Tóth.

He scored two goals alongside his captain Vanja Udovičić in the final against Montenegro which his national team won by 9–8.