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, Saudi Arabia leaves Sabalenka with an insurmountable lead at the top of the WTA rankings, even if Swiatek goes on to lift the trophy for a second year in a row. Sabalenka won her first two round-robin matches — against Zheng Qinwen and Jasmine Paolini — which extended her lead