Raihan came close to retiring before it was announced on Balestier Khalsa's Facebook and Instagram page on 5 January 2017 that he would be joining the Tigers ahead of the 2017 S.League campaign.

[4] His injury in a match against Hougang United in 2018 rendered him unable to continue playing in the season, causing Head Coach Marko Kraljevic to find replacements.

By the age of 20, Raihan had been involved in many international tournaments at youth levels, including a bronze medal in the 2009 Southeast Asian Games.

[6] In 2011, he received another call-up to the national team as Radojko Avramović named him in the 33-man provisional squad for the 2014 FIFA World Cup Qualifiers.

Raihan was cleared of all charges by the Football Association of Singapore Disciplinary Committee (DC) and demanded an apology from Webb.