He was suspended for one match during the 2009 ICC World Cup Qualifier due to "inappropriate and intentional physical contact" in their defeat to the Netherlands. During the tournament he performed well with the bat, top scoring with 92, and, surprisingly for a wicketkeeper, with the ball.
Shortly after Afghanistan achieved ODI status, Saadiq quit the national setup in protest at his brother, Hasti Gul being dropped for their ICC Intercontinental Cup match against Zimbabwe XI. Saadiq cited what he called "injustices" and "wrong policies", accusing national coach Kabir Khan of not acting in the best interest of the team.
Saadiq's international retirement was short lived, as he made his first-class debut in January 2010 against Ireland, where he made scores of 19 and 1.
In February 2010, Saadiq made his Twenty20 International debut in the Sri Lanka Associates T20 Series against Ireland. Saadiq took 2/17 with the ball, despite this Afghanistan lost by 5 wickets. Later, Saadiq was a key member of Afghanistan's World Twenty20 Qualifier winning team. Saadiq was later named in Afghanistan's squad for the 2010 ICC World Twenty20.
Saadiq was a key member of Afghanistan's 2010 ACC Trophy Elite winning squad, which defeated Nepal in the final by 95 runs. In final, Saadiq top scored for Afghanistan with 58 runs. In Afghanistan's first match of the tournament, he scored 130 runs from 92 balls against Bhutan in Afghanistan's 393 run win.