Jannik Sinner Sends Message Before Facing Carlos Alcaraz in Cincinnati Open Final originally appeared on Athlon Sports. It comes as no surprise that the world No. 1 and No. 2 are back again for the Cincinnati Open final. Jannik Sinner faces Carlos Alcaraz on Monday for the title.

ATP No. 1 Jannik Sinner retired just 23 minutes into the Cincinnati Open men's singles final, allowing Carlos Alcaraz to win the Rookwood Cup.

The two young champions, who met as teen-agers, are expected to face off at this year’s U.S. Open. A new book by Giri Nathan tracks their parallel ascent.