Lubomira Bacheva defeated Marta Marrero 6-3 6-4 in the Denain 25K qualifying round on clay. The upset overturned the form book — Marta Marrero came in leading the head-to-head 2–0. Lubomira Bacheva claimed a first win over Marta Marrero in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-04-09 | Estoril | R32 | clay | Marta Marrero | 6-2 6-2 |
| 1999-09-20 | Sofia 25K | F | clay | Marta Marrero | 6-2 6-3 |
Averages over each player's completed matches in the selected window (1 vs 11). 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