RIYADH: Elena Rybakina extended her winning streak to eight consecutive matches with an impressive 3-6, 6-1, 6-0 victory over second-seeded Iga Swiatek in round-robin play at the WTA Finals in Riyadh on Monday. After cruising past Amanda Anisimova in her opener on Saturday, Rybakina claimed her second win of the week and advanced to the semifinals as the winner of the Serena Williams Group after Anisimova of the US downed compatriot Madison Keys 4-6, 6-3, 6-2 in the day’s other match. Rybakina faces off with seventh seed Keys in her last match of round-robin play.

Iga Swiatek got her WTA Finals campaign off to an impressive start as she brushed aside a sluggish Madison Keys 6-1, 6-2 in Saudi Arabia

RIYADH: The world's best female tennis players have descended on Riyadh for the WTA Finals, with Iga Swiatek and Elena Rybakina taking day one victories.