On 13 August 2017, Mr. Filip Radojevic (SRB) was tested positive during the FINA World Men's Junior Water Polo Championships in Belgrade, Serbia, for the substance Pseudoephedrine (Class S.6 Stimulants).

Mr Filip Radojevic is sanctioned with two (2) years ineligibility period in accordance with the FINA DC Rule 10.2.2. The sanction started on 23 October 2017, day of his provisional suspension.