Lavrov announced the proposal during the meeting with Turkish Deputy Foreign Minister Sedat Onal and Iranian Deputy Foreign Minister Hossein Jaberi Ansari.
"The Astana format is the most objective structure for moving forward on all tracks to overcome the Syrian crisis," Lavrov said.
Lavrov was referring to a peace initiative known as the Astana process -- a tripartite effort to secure peace and stability in Syria -- which began in 2017. It was brokered by Turkey, Russia, and Iran, Anadolu Agency reported.
On Saturday, the leaders of Turkey, Germany, France, and Russia are set to meet in Istanbul in a quadrilateral summit to discuss Syrian refugees and the situation in Idlib.
Lavrov Discuss Syria Peace Process in Meeting with Iran, Turkey Deputy FMs
The leaders of the three countries had trilateral summits in Russia's Sochi, in Ankara, and in Tehran.
Message end/