Aaron Finch scored 116 off 135 balls for his 12th one-day international century. © AFP Aaron Finch’s fine century drove Australia to a convincing eight-wicket win over a new-look Pakistan in the first one-day international on Friday. The Australian skipper scored 116 off 135 balls for his 12th one-day international century that helped his team overhaul the 281-run target in 49 overs on a flat Sharjah stadium pitch. The win gives Australia the lead in the five-match series and comes on the back of their 3-2 series win in India earlier this month. “To be able to chase down the target for the loss of two wickets is nice. It’s nice to keep the momentum with a fourth win in a row,” Finch said.Finch’s match-winning knock overshadowed Haris Sohail’s maiden one-day hundred (101 not out) which helped Pakistan to 280-5 in their 50 overs.”We needed wickets at the top which did not come our way because Finch and Marsh handled the chase very well,” stand-in captain Shoaib Malik said.”Congrats to Haris for getting a hundred but we did not push Australia hard,” he added.The 32-year-old Australia smashed Malik for a huge six towards deep mid-wicket to complete his century –…