Moscow - World number 14 Marin Cilic is through to the semi-finals of the Kremlin Cup after the Croat easily beat Russia's Andrei Kuznetsov 6-2 6-1 on Friday.
He will face another Russian, Evgeny Donskoy, in the last four after the 25-year-old overcame his Davis Cup team mate Teymuraz Gabashvili 6-3 6-2.
The other semi-final will see Germany's Philipp Kohlschreiber in action against Roberto Bautista of Spain.
Kohlschreiber beat Robin Haase 6-2 6-4 while Bautista was victorious against Lucas Pouille 6-4 6-2.