The Zebrette face the Portuguese outfit next Wednesday in the first leg of their Champions League play-off round tie.
"Last year against Arsenal we were unlucky, this year I am confident", the patron, who also owns controlling shares in Granada and Watford, told Sky Sport Italia. "It would be a real shame to miss a chance like this.
"Even though we lost two important players in Isla and Asamoah, we have replaced them well. In the preliminaries you also need luck, but the squad has the will and the potential to reach the group stages."