I won £15, playing slots. Consequently, we are unable to investigate further and have no choice but to reject this complaint. . When I cashed out I was asked to send in an ID and proof of address. 22nd August: I deposited £ at Sportingbet Casino. 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. El depósito del. The complaint was resolved as the player received his deposit. The player's deposit was not credited to his casino account. The player can reopen this complaint at any time.