Since the peak days of Roger-Rafa, there has never been a clearer portrait of two giants at the top of the men's tennis world.

Spain's Carlos Alcaraz and Italy's Jannik Sinner, the No. 1 and 2 players in the rankings, will meet in the Nitto ATP Finals championship match on Sunday. Neither dropped a match in the round robin format and both advanced with straight set semi-final victories in Turin, Italy on Saturday.

Sinner opened the proceedings with a 7-5, 6-2 victory over Australia's Alex De Minaur before Alcaraz polished off Canada's Felix Auger-Aliassime, 6-2, 6-4.

The two current behemoths of the courts have been ranked 1-2 or 2-1 since May of this season. They will meet for the sixth time this year, all in finals. Alcaraz has won four of five, with Sinner's lone victory occurring on

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