Britain's Joe Salisbury and American Rajeev Ram completed the successful defence of their ATP Finals doubles title by beating Marcel Granollers and Horacio Zeballos in straight sets.
The US Open champions were deserved 6-3 6-4 winners against Spaniard Granollers and Argentine Zeballos in Turin, Italy.
With a 10th successive win at the tournament, the pair became the first back-to-back champions since 2017.
"There is something very special about this place," Salisbury, 31, said.
"I feel so lucky to be playing here and to have the success we have had in Turin is incredible."
The Briton added: "We love playing here.