With partner Cortney Mansour, he has won three international medals and reached the free skate at three ISU Championships.

Procházková/Češka's luggage containing their skates did not arrive in time at the 2011 Junior Worlds in Gangneung, South Korea, forcing them to withdraw.

[4] In mid-2013, Češka teamed up with Canada's Cortney Mansour to compete for the Czech Republic, following a tryout in Europe.

[3] The duo won gold at the Pavel Roman Memorial and then finished 13th at the 2016 European Championships in Bratislava after placing 14th in the short and 13th in the free.

In July 2016, Mansour/Češka received their first Grand Prix assignment, replacing Federica Testa / Lukas Csolley at the 2016 Trophée de France.