In what proved to be a pivotal game, Cobolli was given an extra point in error by chair umpire Carlos Bernades and went on to defeat the 39-year-old in three sets at the Rolex Shanghai Masters.

Legendary heads of Team Europe and Team World step down from the tournament after seven years

The world No. 1 watched on as Matteo Berrettini improved to 3-0 in singles matches in the group stage on Sunday.