Diana Shnaider defeated Ekaterina Alexandrova 6–3, 4–6, 6–4 in the final of the WTA 250 Monterrey tournament on hard court. The result constituted an upset, as Alexandrova entered as the pre-match favourite at 1.60 odds to Shnaider's 2.29. Shnaider claimed the opening set with relative comfort before Alexandrova levelled the match in the second, forcing a decisive third set. Shnaider regrouped to secure the title in the decider, demonstrating composure under pressure in the closing stages. The victory marks a significant achievement for Shnaider on the WTA 250 circuit and underscores her capacity to overcome seeded opposition in finals.