After rarely settling as a youth player,[3] Accra-born Razak started his professional career in January 2007 with Portugal's G.D. Chaves, playing in the country's Segunda Liga.

[6] Razak signed with Real Betis in 2009, but spent his first year in the same league as the previous campaign, as he appeared solely for the reserve side.

[7] Razak made his competitive debut on 1 September 2010, playing the full 90 minutes in a Copa del Rey game against UD Salamanca, a 2–1 home win.

[11] In August 2017, Razak moved to Mamelodi Sundowns FC;[12][13] he signed a three-year contract as a free agent,[14] stating in an interview that his reason for joining was because the club was the best in the South African Premier Division and in Africa.

[22][23] He helped the team to gain promotion in his debut campaign with 75 points, 27 more than their closest challengers CD El Ejido after 29 matches before the season was truncated due to the COVID-19 pandemic.

[3] He idolised Ghanaian international goalkeeper Sammy Adjei, who won many laurels whilst playing for Accra Hearts of Oak S.C. and was also remembered for the 1999 FIFA World Youth Championship quarter-final tie against Spain.