Asked to bat first by Bangladesh, the West Indies batters never really got going. They lost wickets at regular intervals right from the start and eventually posted 106/8 in their 20 overs.
Jahanara Alam struck the first blows by removing both openers Dottin and Hayley Matthews in the third over.
The Bangladeshis thereafter continued to put pressure on the hosts with some excellent bowling performances and only a quick 32 off 24 balls by Kycia Knight pushed the local team past the 100-run mark.
Dottin then ran through the middle order with incredible figures of 5/5 in 3.4 overs as Bangladesh crumpled for just 46 runs in 14.4 overs.
None of the Bangladesh batters managed to post double figures. Fargana Hoque was their top scorer with eight runs.
West Indies: 106/8 in 20 overs (Kycia Knight 32, Stafanie Taylor 29; Jahanara Alam 3/23) vs Bangladesh: 46 in 14.4 overs (Deandra Dottin 5/5, Shakera Selman 2/12).
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