MacBook Pro purchase

Apple does not deliver outside of the country of purchase.

Use this page for "Other, Europe" specify Ukraine, and then a nearby city. For KYIV, over 90 authorized resellers of Macs are listed.

Apple - Find Locations

There is n Ukraine online Apple Store. You would need to find a local Apple authorized reseller. The 2020 MBP won't likely be available in your country much earlier than late next year. However, that is simply my guess. I don't know if Apple has made an announcement.