To cancel a bet, you can use the Cash Out option, which allows you to recover part or all of your stake. The Cash Out option is not available for all sports bets. To find out if your bet has this feature, check that the green Cash Out symbol appears next to the event.
In accordance with our T&Cs, once your bet has been placed, it is not possible to cancel your bet. Only the Cash-Out feature will allow you to recover part, or even all, of your stake.