Sloane Stephens defeated Varvara Gracheva 5-7 6-2 7-6 in the Merida round of 16 on hard. The upset overturned the form book — Varvara Gracheva came in leading the head-to-head 1–0. Sloane Stephens claimed a first win over Varvara Gracheva in two meetings, levelling the head-to-head at 1–1.
Stephens S. came through in three sets.
Stephens S. and Gracheva V. faced 3 of the same opponents in the last 12 months. Stephens S. went 2–1 (67%) against them, Gracheva V. 2–2 (50%). Only 2 of the comparisons are context-comparable — too few for a conclusion.
Only 3 common opponents — small sample, treat as indicative.
Sloane Stephens beat Varvara Gracheva 5-7 6-2 7-6. Umpiry, "Sloane Stephens vs Varvara Gracheva — Merida Round of 16", https://umpiry.com/match/2023-02-20/gracheva-vs-stephens-merida-r16?utm_source=cite (as of 20 February 2023).