Baldacci made his World Rally Championship debut on Rallye Sanremo in 2000 behind the wheel of a Renault Clio Williams.
In 2001, he contested five rounds of the Production World Rally Championship in a Mitsubishi Lancer Evo VI.
In 2002, he contested the Junior World Rally Championship in a Citroën Saxo S1600, finishing fourth in class on Rallye Deutschland and 13th in the final standings.
He used a Punto again in the 2005 JWRC, winning on the Tour de Corse and finishing seventh in the final standings.
Baldacci returned to the PWRC for 2006, using a Mitsubishi Lancer Evo IX, finishing third in the final standings.