[2] Riaz represented Islamabad United in the 2010 Geo Super Football League, where he was declared player of the tournament.
[9] In 2015, he was part of the Pakistan squad for test matches against Malaysia under-19 and under-22 in Kuala Lumpur, where he scored against both teams in a 3–1 victory and 1–2 loss respectively.
[11][12] Riaz missed international exposure for the next 3 years, as Pakistan was suspended from all football activities by FIFA on 10 October 2017 on account of "undue third-party interference".
[14][15] Riaz along with other national team players meanwhile participated with Pakistan during local Leisure Leagues exhibitions matches involving Brazilian star Ronaldinho and Ryan Giggs in 2017.
[16][17] In 2018, Riaz participated in Pakistan tour to Bahrain for test matches as a preparation for the 2018 SAFF Championship, when his national side returned to international circuit after 3 years.