Iga Swiatek defeated Beatriz Haddad Maia 6-2 6-2 in the United Cup round robin on hard. The result followed the form book — Iga Swiatek came in ranked #9, defending last year's round-robin. Iga Swiatek moved ahead in the head-to-head, 2–1.
Swiatek I. took it in straight sets.
Swiatek I. and Haddad Maia B. faced 21 of the same opponents in the last 12 months. Swiatek I. went 24–6 (80%) against them, Haddad Maia B. 16–12 (57%). Swiatek I. came out better against 9 of 20 comparable opponents, Haddad Maia B. against 1 — though 2 of those edges carry caveats (retirement).
Hard: level 1–1 · Clay: Swiatek I. leads 1–0
Iga Swiatek beat Beatriz Haddad Maia 6-2 6-2. Umpiry, "Iga Swiatek vs Beatriz Haddad Maia — United Cup Round Robin", https://umpiry.com/match/2023-12-30/maia-vs-swiatek-united-cup-rr?utm_source=cite (as of 30 December 2023).