Arina Sabalenka stays top-ranked in women's tennis as 18-year-old Teodora Kostović rises with a Challenger win, highlighting Serbia's emerging talent.

Arina Sabalenka remains top-ranked in women's tennis with 10,675 points, ahead of Iga Świątek and Elena Rybakina, while Olga Danilović drops to 90th amid ongoing struggles. Meanwhile, 18-year-old Teodora Kostović wins a Challenger qualifier in Antalya, boosting her ranking and spotlighting rising Serbian talent. Kostović’s strong performance signals growing momentum for Serbia’s female players on the global stage.