Caroline Wozniacki defeated Anhelina Kalinina 6–2, 6–4 in the first round of the Cincinnati Masters on hard court. Wozniacki's performance was controlled and efficient, dropping only six games across two sets against the Ukrainian opponent. The Danish former world number one showcased the consistency that has characterised her return to competitive tennis, securing a straightforward victory in a match that never appeared in doubt. Kalinina, ranked outside the top 50, struggled to establish rhythm against Wozniacki's composed baseline game and superior court positioning. The result represents a solid opening for Wozniacki at a Masters 1000 event and sets up a second-round encounter with a higher-ranked opponent.