(AP Photo/John Minchillo)

MASON, Ohio (AP) Novak Djokovic is again so close to the one title that eludes him. And the same nemesis is standing in his way, all over again.

It's a moment in time: Djokovic vs. Federer for a title.

Djokovic closed in on a Western & Southern Open title with his 6-4, 3-6, 6-3 victory over Marin Cilic on Saturday. Then he watched Roger Federer advance to the finals as well when David Goffin retired in the second set with a shoulder injury.

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