1. Francesco Castellacci began his single-seater career in late 2005, racing in the Formula Azzurra Winter Trophy.

1. Francesco Castellacci began his single-seater career in late 2005, racing in the Formula Azzurra Winter Trophy.
In late 2006, Francesco Castellacci tested a Formula Three car for the first time, driving for the British team Hitech Racing at Rockingham Motor Speedway.
Francesco Castellacci failed to score a point in the 22 races he competed in, with his best result coming in the first race at Donington Park, where he finished in fifteenth position.
Francesco Castellacci took part in the Masters of Formula 3 race held at Zolder, finishing in 26th place.
Francesco Castellacci finished the season fourth overall, taking six podium places along with a double pole position at the Monza round.
Francesco Castellacci continued in the series for 2009, switching teams to join Prema Powerteam.
Francesco Castellacci finished in the points on eleven occasions and took a single podium position at Misano to be classified in eighth place overall.
In June 2010, Francesco Castellacci made his debut in the Porsche Supercup round at the Valencia Street Circuit, finishing in 17th position.
Francesco Castellacci is due to contest the rounds at Silverstone, Hungaroring and Monza later in the season.
In October 2009, Francesco Castellacci sampled a GP2 car for the first time during the first post-season test at Jerez.
Francesco Castellacci took part in Formula Renault 3.5 Series testing during October and November 2009, driving cars for Draco Racing, Interwetten.
For 2011, Francesco Castellacci raced in the FIA GT3 European Championship with AF Corse, sharing a Ferrari 458 with fellow Italian driver Federico Leo.