As reported by Censor.NET, this was announced by RIA Novosti citing Russian presidential aide Yury Ushakov.
"It has been accorded, on 7th [of July - ed.]," Ushakov said answering a question about the talks between the two presidents.
The presidents will see each other on the sidelines of the G20 meeting in Hamburg.
The day before Ushakov said that during the talks, the two leaders will discuss the issues of fighting international terrorism, as well as the situation in Syria and Ukraine.
As reported, on June 20 Ukrainian President Petro Poroshenko held talks with U.S. President Trump, Pentagon Chief James Mattis, Secretary of State Rex Tillerson, and other top U.S. officials.