Frederica Piedade defeated Nina Bratchikova 6-4 6-4 in the Coimbra 25K round of 16 on hard. The upset overturned the form book — Nina Bratchikova came in leading the head-to-head 3–0. Frederica Piedade claimed a first win over Nina Bratchikova in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-07-20 | Valladolid 25K | QF | hard | Nina Bratchikova | 6-3 4-6 6-2 |
| 2004-05-24 | Tongliao 25K | QF | hard | Nina Bratchikova | 6-2 6-1 |
| 2004-03-01 | Melilla 10K | F | hard | Nina Bratchikova | 6-2 6-4 |
Averages over each player's completed matches in the selected window (2 vs 41). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About