Chasing just 114, Smriti Mandhana and Sophie Devine took their time to make 25 runs in the Power-play, including hitting three boundaries collectively off Marizanne Kapp.
Bangladesh will host Zimbabwe for a five-match T20I series against Zimbabwe slated for May ahead of the T20 World Cup co-hosted by the USA and the West Indies from June 1
Though Sen saved three game points to level the scores at 20-all with resolute defending, Lee Zii Jia kept his nerve to take the game on his fourth opportunity