Mariana Diaz Oliva defeated Meghann Shaughnessy 6-4 6-2 in the Cali 25K qualifying round on clay. The upset overturned the form book — Meghann Shaughnessy came in leading the head-to-head 1–0. Mariana Diaz Oliva claimed a first win over Meghann Shaughnessy in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-02-27 | Acapulco | R32 | hard | Meghann Shaughnessy | 6-1 6-0 |
Averages over each player's completed matches in the selected window (22 vs 94). 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. About