Elina Svitolina defeated Elina Avanesyan 6–4, 6–3 in the round of 16 at the WTA 250 event in Monterrey on hard court, confirming her status as the pre-match favourite with odds of 1.39 to Avanesyan's 3.24. Svitolina controlled the encounter from the outset, breaking serve decisively in both sets to secure a straightforward victory. The Ukrainian's composed performance underlined her superiority on the surface, with Avanesyan unable to mount a sustained challenge despite competitive moments in the opening set. Svitolina's progression to the quarter-finals maintains her momentum in the latter stages of the season.