In the 2002–03 season, he scored two goals in 27 appearances, and Juventus claimed the league title. He scored two more goals in 13 UEFA Champions League appearances, a run in which Juventus reached the UEFA Champions League final, lost on penalties to Milan. With his three Champions League final defeats, Tacchinardi is the player with the most Champions League final appearances without a victory, alongside former Juventus teammates Paolo Montero and Gianluigi Buffon, although, unlike the latter two players, he did win a Champions League medal during the 1995–96 season.