Sloane Stephens defeated Victoria Azarenka 3-6 6-2 6-1 in the Miami semi-final on hard. The upset overturned the form book — Victoria Azarenka came in leading the head-to-head 3–1. Sloane Stephens narrowed the head-to-head to 3–2.
Stephens S. came through in three sets.
Stephens S. and Azarenka V. faced 1 of the same opponent in the last 12 months. Stephens S. went 0–1 (0%) against them, Azarenka V. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Sloane Stephens beat Victoria Azarenka 3-6 6-2 6-1. Umpiry, "Sloane Stephens vs Victoria Azarenka — Miami Semi-final", https://umpiry.com/match/2018-03-19/azarenka-vs-stephens-miami-sf?utm_source=cite (as of 19 March 2018).