Elena Rybakina of Kazakhstan has withdrawn from the WTA Finals before the tournament begins, with Marta Kostyuk stepping in as her replacement. Rybakina's withdrawal follows her exit from the Pan Pacific Open in Tokyo on October 30, 2026, where she spoke after pulling out of a quarterfinal match. The WTA Finals are set to commence shortly, and Kostyuk will now take Rybakina's place in the draw.
Elena Rybakina Withdraws from WTA Finals, Marta Kostyuk Named Replacement
