Elina Svitolina delivered a masterclass in defensive resilience and counter-punching on Friday, overwhelming second seed Aryna Sabalenka 6-3, 3-6, 6-1 to book her spot in the semi-finals of the season-ending WTA Finals. Absorbing and redirecting Sabalenka’s ferocious baseline power, the Ukrainian broke serve six times across the three-set battle. After dropping the opening game of.