He added that the request was regarding restrictions on Russian goods, services, transit and other issues imposed by Ukraine in response to Russia's role in the Ukraine crisis, the reports said.
"There are serious grounds to believe that by all these measures taken, Ukraine is violating its obligations towards WTO," Oreshkin said, according to Russian news agencies.
This week, Ukraine imposed economic restrictions on Russia's largest internet group Yandex and other popular online firms, saying it wanted to guard against cyber threats.
(Reporting by Katya Golubkova; Editing by Alison Williams)
GLOBALES: Russia asks WTO to look into sanctions by Ukraine on Moscow - agencies
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