Chasing a tricky 190, Sri Lanka reached the target with 34 balls to spare at the Pallekele stadium, with Asalanka making an unbeaten 62 off 61 balls.
The remaining two ODIs will be held on Wednesday and Saturday.
Chasing a tricky 190, Sri Lanka reached the target with 34 balls to spare at the Pallekele stadium, with Asalanka making an unbeaten 62 off 61 balls.
The remaining two ODIs will be held on Wednesday and Saturday.