Mr Erdogan has repeatedly sought to mediate during the war, promoting a "balanced" stance for Nato member Turkey, while opposing Western sanctions on Russia.
He helped the UN mediate a resumption of grain exports from Ukraine and said last week he was trying to organise direct ceasefire talks.
It's means thattwo months after Russian forces seized control over the entire eastern region of Luhansk, Ukraine has reclaimed part of the territory.
Luhansk's Ukrainian leader Serhiy Haidai said Russian forces had retreated from the village of Bilohorivka - but were doing all they could to dig in elsewhere.
President Volodymyr Zelensky said "the occupiers are clearly in a panic".
Sri Lankans freed from Russian brutality in Ukraine
In depth: Russia's war in Ukraine
Earlier this month, Mr Erdogan adopting a policy of "provocation" towards Russia and warned that the war was unlikely to end "any time soon".
Last week the Russian leader said he was open to meeting the Ukrainian president, but that Mr Zelensky was not. He told India's prime minister he wanted to end the fighting "as soon as possible".
However, Russia has not given any indication that it is prepared to accept Kyiv's demands for a full withdrawal from Ukrainian territory, including areas seized in 2014.
Crimea was annexed by Russia at the time, and now ex-President Dmitry Medvedev has said that Russian-backed separatists should hold "referendums" on annexing the territories of Luhansk and Donetsk - which are known as Donbas.