Eugenie Bouchard defeated Lara Arruabarrena 7-5 6-2 in the Acapulco round of 16 on hard. The result followed the form book — Eugenie Bouchard came in defending last year's round of 16.
Bouchard E. took it in straight sets.
Bouchard E. and Arruabarrena L. faced 4 of the same opponents in the last 12 months. Bouchard E. went 3–2 (60%) against them, Arruabarrena L. 1–3 (25%). Bouchard E. came out better against 2 of 4 comparable opponents, Arruabarrena L. against 0 — though 2 of those edges carry caveats (lower-tier event).
Only 4 common opponents — small sample, treat as indicative.