Ukrainian President Volodymyr Zelenskiy said on Sunday Kyiv and its Western supporters could make a Russian defeat in the war in Ukraine "irreversible" as early as this year and thanked Germany for being a "true friend" during a visit to Berlin.

https://www.reuters.com/world/europe/russias-war-ukraine-latest-zelenskiy-germany-after-meeting-pope-2023-05-14/