Rubuta ci gaba don wannan sakin layi - Stjepanović ya yi gasa a gasar zakarun Turai ta 2012
kuma ya dauki 5th wuri a cikin maza 200m malam buɗe ido karshe. A Wasannin Olympics na bazara na 2012 a London, ya gama na 6 a wasan karshe na maza na 200m butterfly. A zagaye na farko ya karya rikodin rikodin na Serbia kuma ya cancanci zuwa wasan kusa da na karshe tare da lokaci na 3.