Mara Santangelo defeated Stefanie Haidner 7-5 6-4 in the Cerignola 10K round of 16 on clay. The upset overturned the form book — Stefanie Haidner came in leading the head-to-head 3–0. Mara Santangelo claimed a first win over Stefanie Haidner in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-08-07 | Rimini 10K | QF | hard | Stefanie Haidner | 6-2 1-6 7-5 |
| 1999-08-23 | Cuneo 10K | QF | clay | Stefanie Haidner | 6-2 7-6 |
| 1998-08-25 | Milan 10K | R16 | carpet | Stefanie Haidner | 7-5 0-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.