Sinouh debuted playing for HFC Haarlem in the Dutch second-tier Eerste Divisie at the age of 19 in the 1994–95 season.

Sinouh refused to sign a contract extension in the summer of 2005 with RKC Waalwijk, as he eyed a move outside of the Netherlands, rejecting offers by NEC and NAC Breda.

However, due to a bad game he had in his last appearance with his team, he was not used again until the end of the season where he finished his career in Cyprus, since he was no longer needed by Omonia.

[4] From July 2008 to 31 January 2009 was without a club after being released by Kasımpaşa and joined as third keeper to Hamburger SV, played here his second time under Martin Jol.

[6] On 18 September 2011, Sinouh made his first Eredivisie appearance for PSV in a match against Ajax, replacing Przemysław Tytoń who suffered a head injury in a collision with his own defender.