Career
On 1 July 2013, Guldan moved from Razgrad to Zagłębie Lubin on a two-year contract. Guldan represented the Slovakia national under-20 football team in the Fédération internationale de football association World Youth Championship in 2003. In May 2012, he was called up to the senior team
On 30 May 2012, Guldan earned his first cap after coming on as a second-half substitute for Marek Čech in the 0–2 loss against the Netherlands in a friendly match.
International goal Club International.