[2][3][4] In 2020, Smal made his single-seater debut by competing in the ADAC Formula 4 Championship with R-ace GP.

[11] He finished the championship in third after taking his only win of the season in the season-opening race at Circuit Paul Ricard.

[14][15] In 2022, Smal joined MP Motorsport to compete in the F4 Spanish Championship after initially stating that he wouldn't race outside of Russia that year.

In 2023, he made an appearance for MP Motorsport in the opening round of the Formula 4 UAE Championship as a replacement for Jerónimo Berrío.

[17][20][21] In 2023, he joined Mumbai Falcons Racing Limited for a part-time campaign in the Formula Regional Middle East Championship.

He joined CD Sport to compete in the Le Mans Cup with Fabian Michal being his teammate.