He hammered a blistering 98 off 58 balls, powering Sri Lanka to a crushing 147-run win against Zimbabwe in just 16.2 overs, with nine wickets to spare.
Nissanka has slammed 2326 runs in 77 T20I fixtures at an average of 32.30 and a strike rate of 126.89 with 18 fifties and a hundred under his belt. He went past Perera, who currently has 2,305 runs from 91 T20Is.
Sri Lanka snapped a five-match T20I losing streak with this victory, and also their first in the tri-series. This win for Sri Lanka sets up a thrilling decider against Pakistan on Thursday, with a win guaranteeing them a spot in the tri-series final.
Coming to the match, Zimbabwe won the toss and opted to bat. Sri Lanka bowlers restricted Zimbabwe batters to 146-5 with Maheesh Theekshana and Wanindu Hasaranga scalping two wickets, while Dasun Shanaka also chipped in with a wicket.
Zimbabwe skipper Sikandar Raza (37) and Ryan Burl (37) provided a crucial partnership in the back end, while Brian Bennett (34) also played a vital innings at the top order.
In reply, Sri Lanka hurried to 60 runs inside the power-play. Sri Lanka's opening batter Kamil Mishara fell in the last of the power-play after struggling in the middle; he made 12 runs off 15 balls. Nissanka and Kusal Mendis (25* off 25) ensured stability as they slammed an unbroken 89-run partnership that wrapped up the match with 22 deliveries to spare.
