To withdraw, go to your cabinet, click on the menu "Assets", find UAH asset and press "Withdraw".
The card should be opened in a Ukrainian bank and issued for a resident of Ukraine. The currency of the card has to be hryvnia
Choose a method convenient for you, for example, Withdrawal to a Visa/MasterCard
For hryvnia withdrawal, just add a card or use a quick withdrawal to a card without saving the details.
Enter the desired amount and your card number and click "Withdraw".
For further convenience, you can make a withdrawal to saved cards. In order to do this select Saved, click Add card number
Create a name for the card, enter its number and click "Create wallet"
Now you can make a withdrawal to the saved card. Select a card (if you have several of them), enter the amount and click Withdraw
Don't forget to confirm your withdrawal by mail.