The bonus money received as part of the 1Win offer can be spent for betting on sports. If there is not enough money in your main account, the bonus balance is used for betting.
The bonus balance is used for 1win betting if there is not enough money in the main account. You can only withdraw the bonus money once it has been wagered. Wagering involves wagering the required amount. It is equal to the wagering ratio multiplied by the bonus amount.