Agnieszka Radwanska defeated Garbine Muguruza 6-7 6-3 7-5 in the Singapore semi-final on hard. The upset overturned the form book — Garbine Muguruza came in leading the head-to-head 4–2, but Agnieszka Radwanska had been the form player, winning 1 of their last 5 on hard. Agnieszka Radwanska narrowed the head-to-head to 4–3.
Radwanska A. came through in three sets.
Radwanska A. and Muguruza G. faced 18 of the same opponents in the last 12 months. Radwanska A. went 12–13 (48%) against them, Muguruza G. 20–9 (69%). Muguruza G. came out better against 8 of 17 comparable opponents, Radwanska A. against 2 — though 1 of those edges carries caveats (retirement).
Hard: level 3–3 · Grass: Muguruza G. leads 1–0
Agnieszka Radwanska beat Garbine Muguruza 6-7(5) 6-3 7-5. Umpiry, "Agnieszka Radwanska vs Garbine Muguruza — Singapore Semi-final", https://umpiry.com/match/2015-10-31/muguruza-vs-radwanska-singapore-sf?utm_source=cite (as of 31 October 2015).