RIYADH, Saudi Arabia — Aryna Sabalenka clinched the year-end No. 1 spot in the women's rankings for the first time when Iga Swiatek lost at the WTA Finals on Tuesday.

From start to finish, Aryna Sabalenka was the best tennis player this year. Sabalenka's dominant season was bookmarked with Australian Open and US Open titles, with plenty of winning in between.While she is still competing in the WTA Finals in Riyadh,

Aryna Sabalenka will end the year as world No. 1 for the first time, 12 months on from surrendering the honor in the final stages of the season. Iga Swiatek’s 3-6, 4-6 defeat to Coco Gauff at the WTA Tour Finals in Riyadh,