New Delhi, Nov. 12 -- Carlos Alcaraz is one win away from securing the year-ending No. 1 ranking.

Alcaraz rallied past Taylor Fritz 6-7 (2), 7-5, 6-3 on Tuesday at the ATP Finals and now needs to either win his final group match against Lorenzo Musetti or his next match in the semifinals to finish a year No. 1 for the second time in his career.

"I'm trying not to think about it, to be honest," Alcaraz said. "But it's really difficult, not to think about the No. 1 spot."

Alcaraz, who improved to 2-0 at the season-ending event for the top eight players, sealed a spot in the semifinals later on when Musetti held off Alex de Minaur 7-5, 3-6, 7-5.

If Alcaraz doesn't win another match and Jannik Sinner goes undefeated to defend his title, S...