Manchester City will come up against their academy graduate Rabbi Matondo as they take on Schalke in the Champions League on Wednesday night.
Matondo, who left City for Schalke in an £11milion deal in January, could line up against his old club in the first leg of their last-16 tie at the Veltins Arena.
Tedesco said: “He stressed to us that he is investing in his football (by coming) here and he is passionate about football.
“But he is a new player. We need patience, and we have this patience.”
He said: “We are the underdog, clearly not the favourite. This is obvious.
“But it’s nice if everyone thinks that. City have to prove they are stronger and superior to us.
“We will put everything we have against them. You can compare it to facing Bayern Munich in the Bundesliga. They are one of the top teams in Europe and we want to show off. We want to take our fans with us and I think we have a chance.
“We know Man City are a very strong team and we will have to have our best day and prove ourselves.
“But, like every team, if you do something well you maybe lose a bit of the focus on something else. Maybe this is our chance.”
He said: “We know how to play against teams with such a strong attack. We have to look forward to it.
“We went through it last season. We worked hard for it and there is nothing nicer than to have such a match in front of us.”
Tedesco said: “Every player in their team sticks out – Leroy Sane, Bernardo Silva and Raheem Sterling are similar players.
“But we know the qualities of Leroy Sane. We will have to show a good performance and defend well against him.”
