Coco Gauff served 21 double faults as she threw away a winning position in the semi-final of the Wuhan Open against Aryna Sabalenka.
The 20-year-old American was in imperious form during the opening exchanges, dropping just one game as she raced through the opening set and she led 4-2 in the second before her service collapsed.
After three double faults in the first set, Gauff made nine in the second and nine more in the third as Sabalenka won 1-6 6-4 6-4.
Her 21 double faults was the most by a player in a main draw match in 2024.