. After competing in the Czech Rally Championship for four years, Prokop debuted in the
World Rally Championship at the 2005
Monte Carlo Rally, finishing ninth in the
Junior World Rally Championship (JWRC) category. He ended his season with the same position in the overall junior standings. In the
2006 season, Prokop took his first JWRC win at the
Rally Catalunya and finished tenth in the championship. In
2007, Prokop continued in the junior class and won the
Rallye Deutschland and the
Tour de Corse. In the overall standings, he placed third behind the two Swifts of
Per-Gunnar Andersson and
Urmo Aava. In the
2008 season, Prokop contested both the JWRC and the
Production World Rally Championship (PWRC), finishing third and fifth, respectively. In
2009, Prokop continued competing in both WRC support championships. In August 2009, he secured the junior world title with a win at the
Rally Finland, after earlier driving his
Citroën C2 S1600 to victory in
Cyprus and
Italy. He finished 2nd in PWRC 2009 standings after Armindo Araujo. In
2010, Prokop switched to SWRC with
Ford Fiesta S2000. He is first driver who won special stage of WRC rally with
s2000 car, it was SS16 at
2010 Rally Sweden. Prokop had strong results during the season 3rd at
Rally Sweden, 2nd at
Rally Mexico,
Rallye Deutschland and
Rally Japan. Prokop had chances to become SWRC champion at
Rallye de France, but because of his problems with power steering he was losing time every stage and finished 6th. In 2016, Prokop started at
Dakar Rally, competing fellow debuting world rally drivers
Mikko Hirvonen and
Sébastien Loeb. He missed first two rallies of the season but joined at
2016 Rally Mexico and finished 7th. ==Racing record==