Winning and losing has no guarantee in gambling. Although it is based on probability, but you can't define it through the mathematical terms. The house edge of the games are calculated based on a few hundred thousand bet. There is no way to check the full betting history in Blackjack.fun now. You can check your total wager amount only from the profile page. User statistics is still under development, and support team won't be able to give you the information which you have requested for.