Rubuta ci gaba don wannan sakin layi - Pecarski ya kasance memba na ƙungiyar 'yan ƙasa da 19 na Serbia waɗanda suka gama na 7 a 2019 FIBA Under-19 Basketball World Cup
a Heraklion, Girka. A cikin wasanni bakwai na gasar, ya samu maki 22.1 da 8.6 a kowane wasa. Pecarski ya kasance memba na ƙungiyar Serbia ta ƙasa da 20 wanda ya gama na 15 a Gasar Zakarun Turai ta FIBA U20 ta 2019 a Tel Aviv, Isra'ila. A cikin wasanni shida na gasar, ya samu maki 18.8 da 8.8 a kowane wasa.