Ukraine citizens and passport holders are exempt from the Turkish visa for tourism of up to 90 days within 180 days starting from the first entry date.
The requirements for visa exemption for Ukraine Passport holders are as follows:
Your Turkey visa is valid for a stay that can not exceed 60 days from your date of entry into Turkey.
HOWEVER - the total period of your stay in Turkey should not be longer than 90 days within the 180 days period.
For more info, please visit our site: https://turkishvisa.com/