New ball is very important in Australia therefore I feel the role of Imamul Haq is very important against that new ball!! You have to see off first 6 overs in Australian conditions if you have to win even a t20! You need to bat in a planned manner! Fakhar Zaman at the moment looks like getting out first ball so need to replace him with Khushdil Shah! You need to go with defend and attack strategy at the top! Imam ul Haq is there to anchor whereas its Khushdils job to cash any opportunity presented!! If you see off first 6 overs, you will cash in on on the rest of the 14 overs and if you post atleast 140 with your bowling minus Irfan, you are going to win!! Just post 140 on the board and give that new ball to Imad Wasim and you are secure!!