Diplomatic efforts between the United States, Russia, and Ukraine center on technical-level talks and an energy ceasefire rather than a leaders’ summit. President Trump’s recent phone call with President Putin produced a bilateral diesel supply agreement and U.S. calls for reciprocal halts on energy infrastructure strikes, with Ukraine signaling conditional support but no confirmation of a trilateral format. Kremlin statements have described direct Putin-Zelensky engagement as premature absent prior expert discussions, while U.S. proposals have emphasized lower-level trilateral meetings by late October. Ongoing friction over sanctions relief, refinery strikes, and sequencing has kept high-level participation uncertain, leaving limited time before the end of 2026 for the three leaders to convene.