Kazakhstan's Elena Rybakina withdrew from her women's singles quarterfinal match at the Pan Pacific Open in Tokyo on Friday, October 30, 2026. The tournament withdrawal comes ahead of the WTA Finals, though the source material does not provide further details on her status for the season-ending event or confirm reports that Marta Kostyuk would replace her.
Rybakina spoke to media following the withdrawal at the Tokyo event. The Associated Press reported the development on November 7, 2026.
