Any sportbooks/casino without KYC ?
Though some crypto casinos or sportsbooks does not require KYC when you create an account on their platform or website but don't forget that they may ask or require you to pass a KYC if they find you suspicious. This mostly happen when a gambler on their platform withdraw their balance and other situation that will make you suspicious to their eyes or system.
I think many casinos have hidden KYC which will be unvealed when you want to withdraw your funds, or sometimes they try to limit your activities in order for you to undergo mini KYC just to get a mere identity of who their user could be. I have experienced this on many casinos I've used although, the KYC does not reveal who the gambler his in particular but little must be known.