While studying in the United States, he also holds three school records as a member of the University of Cincinnati swimming and diving team from 1996 to 1999.

During his early sporting career, Víťazka trained for Kometa Brno Swim Club under head coach Ondřej Butir.

Swimming in heat three, he set a lifetime best of 4:23.81 to race for the fourth seed, a 1.6-second deficit behind winner Alexey Kovrigin of Russia.

[10][11] Three days later, in the 200 m individual medley, Víťazka posted a time of 2:03.66 from the final of seven heats, but missed the semifinals by one third of a second (0.33) with a twenty-first-place effort.

[12] In his third event, 100 m butterfly, Víťazka could not achieve his best result on the morning prelims, finishing in twenty-seventh place with a time of 54.34.