Na Li advanced past Serena Williams via walkover in the Rome semi-final. Na Li narrowed the head-to-head to 5–2.
Li N. advanced on a walkover.
Li N. and Williams S. faced 13 of the same opponents in the last 12 months. Li N. went 12–7 (63%) against them, Williams S. 18–2 (90%). Williams S. came out better against 5 of 10 comparable opponents, Li N. against 1 — though 1 of those edges carries caveats (retirement).
Grass: Williams S. leads 1–0 · Hard: Williams S. leads 4–0 · Clay: Li N. leads 1–0
Na Li advanced when Serena Williams withdrew. Umpiry, "Na Li vs Serena Williams — Rome Semi-final", https://umpiry.com/match/2012-05-14/li-vs-williams-rome-sf?utm_source=cite (as of 14 May 2012).