Nathalie Vierin defeated Greta Arn 7-6 6-0 in the Marbella qualifying round of 16 on clay. The upset overturned the form book — Greta Arn came in leading the head-to-head 1–0. Nathalie Vierin claimed a first win over Greta Arn in two meetings, levelling the head-to-head at 1–1.
Vierin N. took it in straight sets.
Clay: Vierin N. leads 1–0 · Hard: Arn G. leads 1–0
Nathalie Vierin beat Greta Arn 7-6(4) 6-0. Umpiry, "Nathalie Vierin vs Greta Arn — Marbella Qualifying Round of 16", https://umpiry.com/match/2009-04-05/arn-vs-vierin-marbella-q16?utm_source=cite (as of 5 April 2009).