Bulawayo, June 19: Kashyap Prajapati, Aqib Ilyas and captain Zeeshan Maqsood struck half-centuries as Oman made the first upset victory of the Men's ODI World Cup qualifiers by chasing down 282 against a much-fancied Ireland with five wickets in hand and 11 balls to spare at the Bulawayo Athletic Club on Monday.