Dominic Thiem suffered a 6-3, 3-6, 6-4 loss to John Millman inside the starting spherical of the Serbia Open on Tuesday in his first excursion-stage healthy in 10 months.

The 2020 US Open champion and previous international wide variety 3 were sidelined with a wrist injury suffered in a grass court docket match in Marbella in June closing 12 months.

The 28-12 months-antique Austrian back to action within the same Spanish town closing month in a 2nd-tier Challenger clay courtroom occasion in which he misplaced within the first round. He tested fantastic for Covid-19 the day after that defeat.

Thiem, a two-time French Open runner-up, and 2020 Australian Open finalist have slumped to 54 within the world all through his extended absence.