Madison Keys defeated Lesia Tsurenko 6-4 6-3 in the Stanford quarter-final on hard. The result followed the form book — Madison Keys came in leading the head-to-head 2–0. Madison Keys extended the head-to-head to 3–0.
Keys M. took it in straight sets.
Keys M. and Tsurenko L. faced 10 of the same opponents in the last 12 months. Keys M. went 4–6 (40%) against them, Tsurenko L. 7–4 (64%). Tsurenko L. came out better against 3 of 9 comparable opponents, Keys M. against 0 — though 1 of those edges carries caveats (lower-tier event).
Hard: Keys M. leads 2–0 · Grass: Keys M. leads 1–0
Madison Keys beat Lesia Tsurenko 6-4 6-3. Umpiry, "Madison Keys vs Lesia Tsurenko — Stanford Quarter-final", https://umpiry.com/match/2017-08-04/keys-vs-tsurenko-stanford-qf?utm_source=cite (as of 4 August 2017).