While we would like to provide evidence, doing so would expose our investigative methods and potentially enable individuals to bypass our system.
You can send your proofs to a trusted member to avoid any future problems. As it is now, it seems that you simply confiscated user funds which is not acceptaple.
To me, user bets are normal and he deserves to paid every penny.
Bad idea. It will only be a burden for that trusted member to verify the claim, not to mention they probably doesn't have a way to verify it. This is a sport-related bets, thus CasinoGuru are quite unlikely to be willing to facilitate a mediation. I've taken a peek and see that Coins is on AskGamblers.
Gekke, I am sure you already know how to raise a complaint on their platform.
Yes, already submitted a complaint.