Career
Kayhan began his career 1999 with Rapid Wien Amateur and was promoted to the first team in November 2008 from and made his debut on 15 November 2008 against LASK Linz. On 30 January 2010 left Saskatchewan Rapid Wien on loan to South Carolina Wiener Neustadt, he will return on 30 June 2010. He received his first call-up for Austria in winter 2008–2009 but only made his debut against Italy national under-21 football team on 11 February 2009.