Thiem loses to Millman on return to competition at Serbia Open

Two-time French Open finalists Domini Thiem made his return to the ATP tour at the Serbia Open after nearly a year on the sidelines due to a wrist injury. AP - Paul White

Two-time French Open finalist Dominic Thiem lost his first competitive match for nearly a year when he went down in three sets to John Millman in the first round at the Serbia Open.

The veteran Australian won 6-3, 3-6, 6-4 in just over two and a half hours.