Batting first, Qatar Stars put up a fighting total of 151 for six in 20 overs on the board. Malik, who was later adjudged the man -of-the-match, slammed a six and four boundaries in his 52. His knock came off 49 balls.
Waqas also battled brilliantly and his run-a-ball 40 contained two sixes and five boundaries, which lifted his team past 150-mark. Israfeel took two wickets for 26.
Doha Warriors batted poorly and folded up at 107 in 20 overs with Sajjad being the pick of the bowlers. He grabbed two wickets for just seven runs to send them crashing all out. Zuhaib made 36 with half a dozen fours in 33 balls.
In another match in the QCA T20 Tournament against Gulf Colours Lagaan, Yasir dominated with his blazing 88, coming off only 53 balls. He blasted two towering sixes and 14 boundaries to prop up his team to a successful chase of 148-run target for the loss of a mere three wickets.
Gulf Colours Lagaan, earlier batting first, collected 147 for nine in 20 overs. Aziz was the lone batsman to resist and he compiled a gritty 47 with three sixes and four hits to the rope in 26 balls. Naved bowled well and ignited the collapse with two for six runs.
Brief scores
Qatar Stars beat Doha
Warriors by 44 runs
Qatar Stars: 151 for six in 20 overs (Rizwan Malik 52 in 49 balls, Waqas 40 in 40 balls, Israfeel 2/26)
Doha Warriors: 107 all out in 20 overs (Zuhaib 36 in 33 balls, Sajjad 2/7)
Man of the Match: Rizwan Malik (Qatar Stars) for 52 runs
QCA Tournament Div A
Khetco beat Gulf Colours
Lagaan by seven wickets
Gulf Colours Lagaan: 147 for nine in 20 overs (Aziz 47 in 26 balls, Naaved 2/6)
Khetco: 152 for three in 18 overs (Yassir 88 in 53 balls, Imran 1/3)
Man of the Match: Yasir (Khetco) for 88 runs.