Anastasia Grymalska defeated Annalisa Bona 6-2 6-1 in the Mallorca 10K qualifying round on clay. The upset overturned the form book — Annalisa Bona came in leading the head-to-head 2–1, but Anastasia Grymalska had been the form player, winning 7 of their last 10 on clay. That levelled the head-to-head at 2–2.
Grymalska A. took it in straight sets.
Anastasia Grymalska beat Annalisa Bona 6-2 6-1. Umpiry, "Anastasia Grymalska vs Annalisa Bona — Mallorca 10K Qualifying Round", https://umpiry.com/match/2013-02-25/bona-vs-grymalska-mallorca-10k-qf?utm_source=cite (as of 25 February 2013).