Erika Zanchetta defeated Federica Quercia 6-4 6-4 in the Settimo San Pietro 10K qualifying round on clay. The upset overturned the form book — Federica Quercia came in leading the head-to-head 3–1. Erika Zanchetta narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-07-04 | Torino 10K | R32 | clay | Federica Quercia | 6-2 6-4 |
| 2011-03-21 | Madrid 10K | R32 | clay | Federica Quercia | 6-3 6-1 |
| 2009-06-08 | Campobasso 25K | R32 | clay | Erika Zanchetta | 6-2 6-3 |
| 2008-09-15 | Casale 10K | R16 | clay | Federica Quercia | 6-3 7-5 |