Katerina Siniakova secures sixth year-end WTA doubles No. 1

INDIAN WELLS, California— Katerina Siniakova has clinched her record sixth year-end finish as the world’s top-ranked doubles player on the WTA Tour. She will have held the top spot for 209 weeks as of Monday, leaving her second all-time behind Hall of Famer and fellow Czech Republic native Martina Navratilova, who was No. 1 for