INDIAN WELLS, Calif.—Dominic Thiem has been one of the biggest risers on the ATP tour this season. The 22-year-old from Austria has surged into the Top 15 by winning titles in Buenos Aires ...

MELBOURNE — That sound you heard Sunday night in Melbourne? It was scarcely audible over the onomatopoetic pop of Dominic Thiem’s relentless ballstriking or the squeak of his shoes on court.