Dominic Thiem loses to John Millman on return in Belgrade
Dominic Thiem suffered a 6-3, 3-6, 6-4 loss to John Millman in the opening round of the Serbia Open on Tuesday in his first tour-level match in 10 months. The 2020 US Open champion and former world number three had been sidelined with a wrist injury suffered in a grass court tournament in Marbella in June last year.


