[1] He experienced a challenging rookie year, scoring points on just one occasion, with an eighth place coming at Imola.

[2] Having scored two points in a pair of appearances for Jenzer Motorsport,[3] which also included a one-off start in Spanish F4,[4] where he took the first podium of his career, Simonazzi drove for BVM Racing in the remaining half of the Italian F4 campaign.

In 2021, Simonazzi spearheaded BVM's return to the Euroformula Open Championship, racing in the final two rounds at Monza and Barcelona.

[7] Despite low grid numbers, the Italian struggled in the opening rounds, having to wait until the middle of the season for his first podium, which he scored at the Hungaroring.

[8] The biggest success of his season would follow just two rounds later, as, after finishing second in Race 2, Simonazzi scored his first win in the category at the Red Bull Ring, inheriting victory after original race winner Vladislav Lomko was awarded a five-second penalty for colliding with Frederick Lubin.