When I cashed out I was asked to send in an ID and proof of address. The complaint was resolved as the player received his deposit. Consequently, we are unable to investigate further and have no choice but to reject this complaint. The player can reopen this complaint at any time. El depósito del. I won £15, playing slots. The player's deposit was not credited to his casino account. . Considering it has been over a week, customer service seems non-existence, the complaint process offers no certain and I have heard nothing back since the case. 22nd August: I deposited £ at Sportingbet Casino.