He has represented Scotland at Under 17, Under 19 and Under 23 levels, making his debut for the senior side on 20 July 2002 in a European Championship match against an England Board XI.
Haq and cousin Omer Hussain grew up in the same house in Hunterhill, going to the same school and cricket clubs, firstly the Old Grammarians, then Kelburne, where they were coached by Roddy McLelland.
Haq and his cousin Omer Hussain were selected for the provisional World Cup squad which took take place in 2007 in the West Indies.
His cousin Omer however was not selected and lost his place in the final world cup squad to fellow cricketer Glenn Rogers.
Haq was sent home from the 2015 World Cup in Australia after suggesting that his omission from the Scotland team may have been on racial grounds.