Sent into bat first Rangpur Rangers scored 157 runs for eight in 20 overs, riding on 78 runs off 54 by Mohammad Naim.
Rangers scored 25 runs in 3.1 overs in the opening stand before Kesrick Williams took the first wicket of Mohammad Shahzadm, who fell for run a ball nine hitting with one four.
After the dismissal of Shahzad, Tom Abell and Jahurul Islam fell in quick succession, but Mohammad Naim was confident in his end and continued to keep the scoreboard afloat.
Rangers’ captain Mohammad Nabi scored the team 2nd highest 21 runs off just 12 with one four and one six.
Naim, who was looking so comfortable in the middle, was removed by Rubel Hossain scoring 78 runs off 54 featuring six fours and three sixes to guide the team to a fighting total of 157 for eight in 20 overs.
Besides, tail-ender Taskin Ahmed quick-fired four-ball 11 runs with six, L Gregory made 13-ball 11 runs while one down TB Abell scored nine-ball 10 runs hitting one boundary.
Kesrick bagged two wickets conceding 35 runs in four overs while Mehedi Hasan Rana, Rubel Hossain, Ryan Burl and Mahmudllah Riyad took one wicket each.
In reply, Challengers chased the total scoring match-winner 158 for 4 in 18.2 overs with the help of 33-ball fifty by opener Chadwick Walton.
Chadwick and Avishka Fernando scored 68 runs 7.1 overs in the opening stand to make things easier to for Chattigram to seal their 2nd win in the 3rd match.
Chadwick scored 50 off just 34 ball hitting four fours and three sixes, Fernando added 37 runs off 23 with two fours and three sixes while one down Imrul Kayes contributed 44 runs off 33 deliveries featuring three fours and two sixes.
Lewis Gregory took two wickets conceding 27 runs while Mohammad Nabi and Tob Abell bagged one wicket each.
Challengers will play their next match against Sylhet Thunder on Tuesday (December 17) at Zahur Ahmed Chowdhury Stadium in Chattogram while Rangers will take on Cumilla Warriors on Wednesday (December 18) at the same venue.