is your case being heard at casinoguru or askgamblers yet?
Casinoguru emailed back saying they don't have a branch dealing with sports betting complaints.
Does askgamblers deal with sportsbetting complaints?
not sure but definitely try. They have been successful.
CasinoGuru does not mediate sportsbetting-related cases. They will not handle the case.
AskGamblers
does mediation to sportsbetting-related cases, so yes, [to answer OP's question above about sport betting branch] they have that "branch", but apparently sportbet.one is not on their list.
I initially suggested a mediator because I take a quick look at AG and found
sportbet is on their list. I didn't take a deeper look into their page. Upon looking at them just now, it came to my awareness that not only it's sportbet[dot]com [not [dot]one], it's also terminated from AG due to the lack of response.
There are other gambling ADR bodies besides AG and CG, but I also didn't find sportbet on them.