The player from Greece, who confessed to being addicted to gambling, lodged a complaint against an online casino. He indicated that he had opened over 10 accounts at the casino, lost a considerable amount of money, and then requested a refund of 500 euros. Despite using similar email addresses to create these accounts, the casino did not take any action. The player claimed that he had requested self-exclusion six months ago, but the casino allowed him to continue making new accounts. However, the player failed to provide sufficient evidence to support his claims. On the other hand, the casino presented evidence that the player had never initially requested self-exclusion due to gambling addiction on his original account, and the casino's expected actions to detect multiple accounts based solely on similar email addresses and credit cards were unjustified since this was not an industry standard due to technical limitations. Consequently, we were unable to validate his complaint and were forced to reject it.