INDIAN WELLS, California— Aryna Sabalenka defeated Karolina Muchova 7-6 (2), 7-5 for her first win at the 2026 WTA Finals on Monday. The former world No. 1, who will next face No. 3 seed Mirra Andreeva, got through two close sets to beat Muchova in 1 hour, 53 minutes. “I was just trying to stay