The 30-year-old made 115-ball 101 not out in the five-match series opener in Sharjah.
Imad Wasim-led Karachi Kings beat Multan Sultans by 7 wins in their first game in PSL 2019.
Miller slammed 65 not out off 29 balls.
Malik said left-arm fast bowler Shaheen Shah Afridi will replace Faheem Ashraf in the Pakistan team.
De Kock slammed 83 off 58 balls as South Africa chased down a target of 241 with seven wickets and ten overs to spare to seal a 3-2 series win.
Fakhar was fourth out after a 73-ball innings when the total was 128 in the 25th over.
Imad and Hafeez have found a place in Pakistan’s squad that will square off against NZ in a three-match series next week.
Sarfraz Ahmed’s Pakistan just wrapped up their 10th successive T20I series win, beating Australia 3-0, to extend their record in the format this year to a stunning 14-2, while New Zealand wades into the T20I series against top-ranked Pakistan in its return to international cricket after six months
Babar Azam top scored for Pakistan with 163 runs at an average of 81.50.
Aaron Finch has been named as the Australia captain for the three-match ODI series against South Africa starting November 4, but before that, Finch, the T20I captain, has one more assignment as Australia take on Pakistan in the 3rd and the final T20I at the Dubai International Cricket Stadium, Dubai on Sunday.