Magui Serna defeated Sandrine Testud 6-3 6-3 in the US Open round of 64 on hard. The upset overturned the form book — Sandrine Testud came in leading the head-to-head 4–0, defending last year's round of 32. Magui Serna claimed a first win over Sandrine Testud in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-03-01 | Doha | R32 | hard | Sandrine Testud | 6-3 6-2 |
| 2001-10-08 | Filderstadt | R16 | hard | Sandrine Testud | 6-4 6-4 |
| 1999-08-16 | Canadian Open | R32 | hard | Sandrine Testud | 6-4 3-6 6-3 |
| 1998-03-05 | Indian Wells | R64 | hard | Sandrine Testud | 6-4 4-6 7-5 |
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
Averages over each player's completed matches in the selected window (16 vs 1). ATP, WTA & Challenger.