Marta Marrero defeated Martina Muller 6-1 6-1 in the Fed Cup WG QF: ESP vs GER round robin on clay. The upset overturned the form book — Martina Muller came in leading the head-to-head 1–0, but Marta Marrero had been the form player, winning 2 of their last 6 on clay. Marta Marrero claimed a first win over Martina Muller in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-25 | Estoril | R32 | clay | Martina Muller | 6-4 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (11 vs 60). ATP, WTA & Challenger.