Coco Gauff overcame shoe damage and a second-set tie-break loss to secure a three-set victory against compatriot Jessica Pegula on the opening day of the WTA Finals at Indian Wells, closing out the match with a 6-4, 6-7 (5-7), 6-2 scoreline.
In the other opening-day encounter at the tournament, Czech competitor Linda Noskova triumphed over Marta Kostyuk in straight sets, winning 6-2, 6-4.
Further updates regarding the tournament are anticipated as the competition continues to unfold.
Earlier reports and follow-ups on the same developing story.
Ultrarunner Stephanie Case speaks to BBC Sport about becoming the first women to run 100 miles in Antarctica, saying that she wanted to prove to every mother in the world that 'motherhood is not the finish line' and that they can 'go out and do big adventures and dream big.'
All you need to know as Ciryl Gane defends his heavyweight title against Josh Hokit and Kayla Harrison puts her women's bantamweight belt on the line against Amanda Nunes.
Former Arsenal manager Arsene Wenger is considering standing against Gianni Infantino as a candidate in Fifa's presidential election in March.
Former Australia captain Michael Clarke says fans of the national side "can't trust what's real" and has called for the investigation into the 2018 Australia ball-tampering scandal to be reopened.
From bitter rivalries and controversial decisions to dramatic knockouts, we look back at five unforgettable all-British boxing contests and ask you to vote for the greatest.