Bangladesh opened the innings first after winning the toss and two openers Sanjida Islam and Murshida Khatun made a solid foundation for the Tigresses contributing 68 runs in 10.1 overs in the opening stand
Murshida Khatun furnished her 33-run-innings hitting 4 fours before dismissed by Thai leg-spinner Suleeporn Laomi.
Another opener Sanjida Islam pairing with Nigar Sultana scored 26 runs in the 2nd wicket stand to carry the team total to 94 in 14.3 overs.
Nigar Sultana added 8 runs featuring one four before removed by veteran Thai off-spinner Sornnarin Tippoch.
But, Sanjida stayed till the end of the innings knocking a polished 71 runs off 60 balls smashing 6 fours and 3 sixes.
Bangladesh lost three more wickets -- Shaila Sharmin (3), Jahanara Alam (3) and Fahima Khatun (0) -- for 18 runs while number seven batsman Fargana Hoque remained on unbeaten on 2 runs off one ball.
Thai off-spinner Nattaya Boochatham picked up 2 for 31 while Sornnarin Tippoch and Suleeporn Laomi bagged one wicket each conceding 18 and 13 runs respectively.
Both finalists of the eight-team tournament have earned the right to play in the final round of the upcoming ICC Women’s T20 World Cup 2020 in Australia.
Bangladesh secured final beating Ireland by 4 wickets with 9 balls remaining in the first semis on Thursday while Thailand confirmed the final spot outplaying Papua New Guinea by 8 wickets with 15 balls remaining in the second semis, both at the Forthill in Dundee.
Bangladesh played the ICC Women's T20 World Cup thrice -- in 2014 in Bangladesh, 2016 in India and in 2018 in the West Indies while Thailand women made history by qualifying for the first time in the meet.
Earlier, Bangladesh Women’s team emerged Group A champions to reach the semifinals in the eight-team fray with all-win record securing full six points from straight three matches.
On the other hand, Thailand women emerged Group B champions to reach the semifinals in the eight-team match with all-win record securing full six points from straight three matches.
Bangladesh: Sanjida Islam, Murshida Khatun, Nigar Sultana, Shaila Sharmin, Salma Khatun (c), Jahanara Alam, Fargana Hoque, Khadija Tul Kubra, Fahima Khatun, Nahida Akter and Ritu Moni.
Thailand: Sornnarin Tippoch (c), Nattaya Boochatham, Wongpaka Liengprasert, Ratanaporn Padunglerd, Onnicha Kamchomphu, Naruemol Chaiwai, Chanida Sutthiruang, Nannapat Koncharoenkai, Nattakan Chantam, Suleeporn Laomi and Soraya Lateh.