As assistant of Petr Janoušek he trained Ladislav Krejčí, Jiří Skalák or Pavel Kadeřábek.

[3] Due to not holding a UEFA Pro Licence, his tenure was limited to two months.

[7] In June 2017 he announced on his Twitter account that he became an owner of UEFA Pro Licence.

[9] In his coaching squad are former players Miroslav Holeňák, Jiří Jarošík and goalkeeper Marek Čech.

[12] On 6 September 2020, it was announced that Holoubek would take charge of the Czech Republic national team in their match against Scotland on the following day, as the entire squad and coaching staff which played against Slovakia on 4 September had to be replaced due to positive SARS-CoV-2 tests.