Piia Suomalainen defeated Matea Mezak 6-4 6-2 in the Hull 10K round of 32 on hard. The upset overturned the form book — Matea Mezak came in leading the head-to-head 1–0. Piia Suomalainen claimed a first win over Matea Mezak in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-03-15 | Bath 10K | R16 | hard | Matea Mezak | 3-6 6-1 6-3 |