This match marked Mathews' return to T20 Internationals after nearly three years, his last appearance being in March 2021.
Mathews was the top scorer for Sri Lanka, contributing significantly with 46 runs from 38 balls, which included five fours and one six.
In a challenging situation with Sri Lanka at 83 for 6, Mathews and Dasun Shanaka formed a crucial 55-run partnership, stabilizing the innings.
Mathews played a key role in the final over, hitting two boundaries to bring down the required run rate.
Despite Mathews' dismissal in the fourth delivery of the last over, his efforts had brought the team close to victory.
Mathews entered the game with Sri Lanka struggling at 51 for 4 and contributed to a significant rebuilding phase with Charith Asalanka.
His performance was essential in Sri Lanka's thrilling last-ball win, maintaining their unbeaten record against Zimbabwe in T20 Internationals.
Mathews also delivered with the ball, bowling two overs with figures of 0 for 13.
His all-round performance earned him the Player of the Match award.
Mathews' inclusion in the team was part of Sri Lanka's strategy to bolster the team with experienced players ahead of the T20 World Cup.