Anna Smashnova defeated Mariana Diaz Oliva 6-2 6-3 in the Woodlands 25K round of 32 on hard. The upset overturned the form book — Mariana Diaz Oliva came in leading the head-to-head 2–0. Anna Smashnova claimed a first win over Mariana Diaz Oliva in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-04-30 | Bol | QF | clay | Mariana Diaz Oliva | 6-1 6-1 |
| 1999-06-21 | Wimbledon | R128 | grass | Mariana Diaz Oliva | 7-6 7-5 |
Averages over each player's completed matches in the selected window (26 vs 22). 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