Bethanie Mattek Sands defeated Shuai Zhang 6-2 6-3 in the Miami qualifying round of 32 on hard. The upset overturned the form book — Shuai Zhang came in defending last year's round of 64.
Mattek Sands B. took it in straight sets.
Mattek Sands B. and Zhang S. faced 1 of the same opponent in the last 12 months. Mattek Sands B. went 1–0 (100%) against them, Zhang S. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.