The UAE thrashed minnows Guam 82-7 to advance to the final of the Asia Rugby Championship Division 2.
Jaen Botes scored four tries, while Saki Naisau notched a hat-trick for the national team.
It was the UAE's first official assignment since playing in Division 1 of Asian rugby in 2017.
They will next face hosts Thailand, who beat Kazakhstan 35-20.
The winner of Saturday’s final will be promoted to Division 1 and also move a step closer towards the World Cup 2023 qualification process.

Iran will be at World Cup and will play in the US, says FIFA boss
Abu Dhabi advises fans to arrive early for Al Ain, Al Wahda match
Sangakkara, Mahanama named in interim committee to run Sri Lanka Cricket
Focused Fils making a statement ahead of French Open
Atletico hit back to hold Arsenal in cagey Champions League semi-final first leg
