Sylhet Thunder set 163-run target for Chattogram Challengers in the opener of the Bangabandhu Bangladesh Premier League (BBPL) on Wednesday.
Mohammad Mithun's 84 helped the Thunder to score 162 in stipulated 20 overs losing five wickets at the Sher-e-Bangla National Cricket Stadium.
J Charles and Mosaddek Hossain scored 35 and 29 runs respectively.
Earlier, Chattogram Challengers won the toss and sent Sylhet Thunder to bat first.
Challengers XIs: Imrul Kayes, Avishka Fernando, Chadwick Walton (w), Junaid Siddique, Pinak Ghosh, Ryan Burl, Rayad Emrit (c), Nasir Hossain, Imad Wasim, Rubel Hossain, Jubair Hossain, Enamul Haque Jr, Muhammad Musa, Nasum Ahmed, Nurul Hasan, Muktar Ali
Thunder XIs: Johnson Charles, Monir Hossain, Mohammad Mithun (w), Mosaddek Hossain (c), Sherfane Rutherford, Shafiqullah Shafiq, Rony Talukdar, Sohag Gazi, Jeevan Mendis, Krishmar Santokie, Nazmul Islam, Delwar Hossain, Naveen-ul-Haq, Ebadot Hossain, Nayeem Hasan, Ruyel Miah.