The 20-year-old started his nation's Group H opener in Qatar against South Korea, and made a substitute appearance in La Celeste’s last match against Portugal.
Unfortunately for Pellistri, Uruguay fell to a 2-0 loss against the Selecao, courtesy of a brace from his United team-mate Bruno Fernandes.
Qatar 2022 will undoubtedly be a memorable tournament for the Reds youngster, but one other iteration of the iconic competition already holds a special place in his mind.
The 2014 World Cup in Brazil saw Uruguay come up against England in the group stage, and a 12-year-old Pellistri was in the crowd with his father.