Substitute Pedro scored an extra-time winner as Barcelona won the Uefa Super Cup for a record-equalling fifth time after a nine-goal thriller in Tbilisi.
Europa League winners Sevilla surprised the Champions League holders when Ever Banega netted a delightful free-kick.
Lionel Messi scored two sublime free-kicks to put Barca 2-1 ahead before Rafinha and Luis Suarez made it 4-1.
Jose Antonio Reyes, a Kevin Gameiro penalty and a Yevhen Konoplyanka goal forced extra time before Pedro struck.
Barcelona’s first success in the competition since 2011 means they join Italian side AC Milan in winning it five times.