Novak Djokovic powers through to Japan Open final

World number one Novak Djokovic on Saturday cruised into the Japan Open final, thrashing David Goffin 6-3, 6-4.

In the final, Djokovic will face Australian qualifier John Millman, who squeezed past American opponent Reilly Opelka 6-3, 7-6 (7/4).

The Serbian star dominated his semi-final, starting strong by winning the first three games, picking up an early break while fending off fierce attempts by the Belgian to fight back.

Djokovic again picked up an early break in the second set, and survived all the four break points through the match.

He won points on 87 percent of his successful first serves and never committed a double fault in the roughly 90-minute contest.

Goffin fought bravely, but Djokovic kept up the pressure with deep shots and quick footwork to fend off any threat.

"I trained with ninjas before this tournament," Djokovic quipped, when asked about his apparent omnipresence on the court, during a post-match interview in front of cheering Japanese fans.

"This has been a wonderful week for me on and off the court," he said. "Hopefully I will be able to crown this week with a trophy tomorrow."