Topbet Sportsbook (SBR rating C-) has acknowledged the payout complaint reported last week.
A player claimed that he requested payment of $1,000 via cheque on May 13; the withdrawal request was reportedly approved shortly thereafter on May 17, but he has yet to receive this payment.
Topbet has escalated the complaint to their accounting department.
Topbet Sportsbook was downgraded from C to C- on May 27 for an accumulation of payout complaints.
The online sportsbook advised SBR that they plan to offer bitcoin in time for football season.