We have not heard an update from OP, I hope he was able to collect his money.
If he can still read the thread, I advice him to just spend money by consulting a lawyer on this matter as 25000 euros is a decent amount to lose.
3.8 The Company reserves the right, at its own discretion, at any time, to cancel bets, to refuse to receive any kind of bonus or participation in any promotion, or to exclude any client from the Bonus Program and also to prohibit the opening of an account or close an existing one without prior written notice and any explanation
This cannot be honored all the time, since the site is regulated, it should be in accordance with the law, and if OP believe he was scam, he has to fight for his right and for his money.