Diana Stomlega defeated Carolina Prats Millan 6-1 6-1 in the StCugat 10K round of 16 on clay. The upset overturned the form book — Carolina Prats Millan came in leading the head-to-head 3–1. Diana Stomlega narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-04-16 | Les Franqueses Del Valles 10K | R32 | hard | Diana Stomlega | 6-3 6-3 |
| 2012-04-02 | Torrent 10K | R32 | clay | Carolina Prats Millan | 6-2 6-2 |
| 2011-09-05 | Madrid 10K | R16 | hard | Carolina Prats Millan | 6-2 7-6(5) |
| 2011-07-04 | Valladolid 10K | R16 | hard | Carolina Prats Millan | 6-3 6-3 |