Pakistan A 281 (Mukhtar 96, Fawad 76*, Sandakan 2-53) beat Sri Lanka A 277 (Kusal Perera 87, Jayasuriya 67, Wasim 4-29) by six wickets
Chasing 278, Israrullah was trapped leg before by Nisala Tharaka in the seventh over. Mukhtar was then involved in two 70-plus partnerships with Khurram Manzoor and captain Fawad Alam, where he struck 11 fours and two sixes before falling to Lakshan Sandakan in the 31st over.
With the score at 185 for 3 after Mukhtar's departure, Ali Waqas put on 54 with Fawad Alam before losing his wicket to Shehan Jayasuriya when Pakistan required a further 37 runs for victory.
Fawad then teamed up with wicketkeeper Mohammad Rizwan to guide Pakistan to their first win the in three-match series.
Pakistan had put Sri Lanka in, who rode on fifties from openers Jayasuriya (67) and Kusal Perera (87) and a couple of 20-plus scores from their middle order to finish on 277 in 47.2 overs. Left-arm spinner Imad Wasim picked up 4 for 29