in september 2019, hasaranga was included as the only specialist spinner for the pakistan series in pakistan, where many major players withdrew from the team due to security concerns. during the t20i series, he took eight wickets, where sri lanka dominated against pakistan. sri lanka won all three matches and whitewashed pakistan for the first time. it was sri lanka's first ever series win against pakistan in a t20i bilateral series. sri lanka went on to win the final t20i match by 13 runs, winning the series 3–0. it was the first time in a three-match t20i series that sri lanka had won 3–0, and the first time that pakistan had been whitewashed. due to his match winning all round ability, hasaranga was adjudged as man of the match of third t20i as well as player of the series.