Dominic Thiem defeated Sebastian Ofner 3-6, 6-3, 6-4 in the first round of the ATP 250 event at Estoril on clay on 4 April 2023, as the pre-match favourite. Thiem's odds of 1.56 reflected his status as the expected winner, and he delivered accordingly despite losing the opening set to the Austrian qualifier. After dropping the first set, Thiem regrouped to take command of the match, securing the second set 6-3 before closing out the encounter with a 6-4 victory in the third. The comeback result underscores Thiem's capacity to adjust tactically on clay, his preferred surface, and his ability to raise his level in response to early adversity. The win marks a solid step in Thiem's return to competitive form on the European clay circuit.