Ahmadzai made his debut for Afghanistan Under-19s in a Youth One Day International against India Under-19s in the 2010 Under-19 World Cup in New Zealand.

He made two further Youth One Day International appearances in that competition, against Hong Kong and Papua New Guinea.

[6] He also plays first-class cricket for the Pakistan team Habib Bank Limited in the Quaid-e-Azam Trophy.

[8][9][10] He took Afghanistan's first wicket in Test cricket, dismissing Shikhar Dhawan, just after lunch on day one.

[11] In February 2019, he was named in Afghanistan's Test squad for their one-off match against Ireland in India.