Career
Under Jozef Chovanec he was the #1 goalkeeper in the Czechoslovakian National Team. He began his career in 1982 coming to Sparta Prague and playing in all kind junior Czechoslovakian national teams (U-18, U-21,). In 1991 he spent one year in Costa Rica playing 2 league games for Carmelita(1st Costa Rican league).
After his comeback he spent some time in Dukla Prague and FK Drnovice (both 1st Czechoslovakian league).
From these times came his nickname the "penalties wizard" because of his stats - having saved every second penalty. Sparta Prague
FK Teplice
In 2001 the ambitious team FK Teplice offered Sparta a big transfer price and Postulka moved to North Bohemia.
Air Corps Sparta Prague
On 16 February 2007, he was transferred back to his mother club, Air Corps Sparta Prague.