Mariana Diaz Oliva defeated Cristina Torrens Valero 7-5 6-4 in the Australian Open round of 128 on hard. The upset overturned the form book — Cristina Torrens Valero came in leading the head-to-head 3–1, defending last year's round of 128. Mariana Diaz Oliva narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-09-10 | Bahia | R32 | hard | Cristina Torrens Valero | 6-4 6-2 |
| 2001-07-16 | Knokke-Heist | R32 | clay | Cristina Torrens Valero | 6-2 6-0 |
| 2000-09-04 | Denain 50K | R32 | clay | Mariana Diaz Oliva | 6-4 4-6 6-2 |
| 1994-05-30 | Barcelona 25K | R16 | clay | Cristina Torrens Valero | 6-3 1-0 |
Averages over each player's completed matches in the selected window (22 vs 4). 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