DomingoX6 told you that it might take several weeks to investigate the matter. Just be patient and let them check the validity of your betting history.
Your balance of 0.1 BTC doesn't matter at this time as the winnings are being investigated. 2 mBTC is 0.002 BTC. That's what you can withdraw for now according to the forum representative.

You never mentioned having problems accessing your account until now. Are you saying you can't log in any more or did you just forget the password you used when creating the account?