"This agreement may either be a great success or quietly fade away," Zelenskyy said. "And I believe success depends on our conversation with President Trump."
"I want to coordinate with the U.S.," Zelenskyy said.
Trump has abruptly ditched some previous Washington policies. He scrapped efforts to isolate Russian President Vladimir Putin and cast doubt on U.S. support for its European allies. That has brought momentous geopolitical shifts that could reset the war's path this year.
Diplomats from Russia and the U.S. will meet Thursday in Istanbul to discuss the operation of their respective embassies in Moscow and Washington, Russian Foreign Minister Sergey Lavrov said Wednesday.