Kristina Mladenovic defeated Naomi Osaka 6–3, 6–3 in the first round of the Dubai WTA Masters on hard court. The result constituted a significant upset, with Osaka entering as a heavy favourite at odds of 1.16 to Mladenovic's 6.21. Mladenovic's straightforward victory in straight sets demonstrated clinical execution against the world's top-ranked player, who was unable to impose her usual dominance on the hard court. The Frenchwoman's composed performance secured her passage to the second round with a comfortable margin. The outcome raised questions about Osaka's form and consistency at the start of the season.