Agnieszka Radwanska defeated Martina Hingis 6-4 6-0 in the POL vs SUI round robin on hard. The result followed the form book — Agnieszka Radwanska came in leading the head-to-head 1–0. Agnieszka Radwanska extended the head-to-head to 2–0.
Radwanska A. took it in straight sets.
Agnieszka Radwanska beat Martina Hingis 6-4 6-0. Umpiry, "Agnieszka Radwanska vs Martina Hingis — POL vs SUI Round Robin", https://umpiry.com/match/2015-04-18/hingis-vs-radwanska-pol-vs-sui-rr?utm_source=cite (as of 18 April 2015).