Rafael Nadal routs Karen Khachanov in US Open great to achieve fourth round

World No 1 and safeguarding US Open boss Rafael Nadal was compelled to fight off Russia's Karen Khachanov in four entrancing sets to achieve the keep going 16 on Friday.

Nadal was compelled to fight once again from a set down under the shut top of Arthur Ashe Stadium to come through 5 7-5 7-6 (9-7) 7-6 (7-3) in a fierce experience enduring four hours and 23 minutes.

The Spaniard will now go up against Georgia's reality No 37 Nikoloz Basilashvili who achieved the fourth round of a Grand Slam out of the blue by observing off Argentina's Guido Pella 6-3 6-4 1-6 7-6 (7-4).

Nadal stated: "It has been an extreme circumstance, an awesome rival. I'm exceptionally upbeat to be through. Most likely there's things to chip away at for the following match yet the triumph implies I have the opportunity to do it."

Best in class Khachanov had neglected to take a set off the imperious Nadal in any of their four past gatherings, yet at long last served out a brazen opener on his fourth set point opportunity.

A rain delay at 5-5 in the second set implied a short postpone so the rooftop could be shut. That appeared to encourage Nadal, who regardless of having his correct knee lashed amid the break in play, accepted his solitary open door to bob back.

Khachanov won his first set against Nadal in five gatherings

Khachanov won his first set against Nadal in five gatherings

The third set ran with serve and must be settled by a tie-break. That ended up being a pivotal defining moment in the match as Khachanov spared four set focuses, yet it was Nadal who demonstrated staggering self-restraint to seal it following an overwhelming 39-shot rally.

That seemed to thump the stuffing out of the 22-year-old world No 26, who was broken right off the bat in the fourth. However, Nadal fixed when serving for the match in the tenth amusement enabling Khachanov to locate an unexpected burst of energy to hit back.