Novak Djokovic breezed into the semi-finals of the Dubai Duty Free Tennis Championships defeating Russian Khachanov 6-2, 6-2 in 67 minutes.
He will next face third-seeded Frenchman Gael Monfils.
Monfils also had an easy route into the semi-finals by defeating Richard Gasquet 6-3, 6-3 in an all-French clash.
Greece's Stefanos Tsitsipas had a somewhat harder battle to oust Germany's Jan-Lennard Struff in three sets 4-6, 6-4, 6-4.
The last quarter-final saw Britain's Dan Evans send Russian Andrey Rublev packing in two sets 6-2, 7-6.
Today's semi-finals start at 5pm with Evans taking on Tsitsipas and at 7pm Djokovic faces Monfils at the Aviation Club.


Ruthless Man City thump Newcastle to reach League Cup final
Alexandra Eala stages comeback to reach Mubadala quarter-finals
F1 legend Mika Häkkinen turns brand ambassador for Only Legends Drive UAE
Guardiola vows to speak up for victims of global conflicts
Arsenal beat Chelsea 1-0 to reach League Cup final
