Magui Serna defeated Marissa Irvin 6-1 6-3 in the Australian Open round of 128 on hard. The upset overturned the form book — Marissa Irvin came in leading the head-to-head 1–0, defending last year's round of 64, but Magui Serna had been the form player, winning 2 of their last 4 on hard. Magui Serna claimed a first win over Marissa Irvin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-03-23 | Miami | R128 | hard | Marissa Irvin | 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.