The tournament bowled off in St Vincent and the Grenadines on Thursday with the TT outfit seeing action right away.
Led by Merissa Aguilleria, the defending champs were sent in to bat by the Bajans and made slow progress in the face of some tight bowling and fielding from their opponents.
In the en,d TT could only muster 131 all-out in 42 of the 46-overs allotted after the match was reduced to 46-overs a side affair.
Brittney Cooper led the way with 52, counting six fours and a six, while skipper Aguilleira chipped in with 25, and the veteran Anisa Mohammed added 17.
TT had four players make ducks and another two contributed one run each, as the batting faltered against the bowling of Hayley Matthews who claimed splendid figures of 4/24, while Deandra Dottin chipped in with 2/19.
Dottin returned to post 26 with four fours, while Kyshona Knight led the Bajan's chase with a solid 56, as they reached 132/4 to win by six wickets with eight overs and five balls left.