Estoril | Thiem beats the rains.
Dominic Thiem hopes to improve on last year’s performance (Photo by Nuno Cruz/NurPhoto via Getty Images) Last year’s quarter finalist, Austrian Dominic Thiem dispatched Germany’s Maximilian Marterer in the opening round of his Estoril Open campaign in Portugal 6-1 6-7(3). The 2020 US Open champion shrugged off a wrist injury to secure a second-round match…