In the first round of Halle Open 2023, the focal match is the competition between Alexander Zverev and Dominic Thiem. This is the 12th time the two players met. Before that, Thiem was holding advantage with 8 victories and 3 defeats.

However, this is the time when Dominic Thiem decided in tragic form. This season, after 20 matches, the Austrian player won only 7 matches. Therefore, he could not make a surprise before the opponent was as high as Zverev.
Entering set 1, Thiem has 1 break point in game 3, but cannot take advantage. After that, he had to pay the price. Zverev won the first break in game 6 and kept the advantage until the end of the set, thereby winning 6-3.

Set 2, the game did not change much. Accordingly, Zverev continued to win a single break in game 9 hinge. This set ended with a score of 6-4 in favor of the German player.
In the end, Zverev defeated Thiem 6-3, 6-4 and officially won tickets to the second round of Halle Open. His next opponent Denis Shapovalov. In the opening match, Shapovalov surpassed Lloyd Harris.