Amy Frazier defeated Bethanie Mattek Sands 6-4 2-6 7-6 in the San Diego qualifying round of 16 on hard. The result followed the form book — Amy Frazier came in leading the head-to-head 1–0, defending last year's round of 64. Amy Frazier extended the head-to-head to 2–0.
Frazier A. came through in three sets.
Frazier A. and Mattek Sands B. faced 5 of the same opponents in the last 12 months. Frazier A. went 0–5 (0%) against them, Mattek Sands B. 2–3 (40%). Mattek Sands B. came out better against 2 of 5 comparable opponents, Frazier A. against 0 — though 1 of those edges carries caveats (lower-tier event).
Amy Frazier beat Bethanie Mattek Sands 6-4 2-6 7-6(3). Umpiry, "Amy Frazier vs Bethanie Mattek Sands — San Diego Qualifying Round of 16", https://umpiry.com/match/2006-07-30/frazier-vs-sands-san-diego-q16?utm_source=cite (as of 30 July 2006).