Kitzberger would play in his first World Curling Championships in 2008 as a member of the Snítil rink. At the 2008 World Men's Curling Championship, the rink would finish last, in 12th place. Kitzberger would return with the team to the Worlds in 2009, 2011, 2012 and 2013, finishing 11th, 8th, 12th, and TBD respectively. He played second in all four of those events.