Tamarine Tanasugarn defeated Rossana De Los Rios 7-5 6-1 in the Pattaya round of 32 on hard. The upset overturned the form book — Rossana De Los Rios came in leading the head-to-head 3–1, defending last year's semi-final. Tamarine Tanasugarn narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-03-25 | Miami | Q32 | hard | Rossana De Los Rios | 6-4 7-6(5) |
| 2006-07-24 | Lexington KY 50K | R32 | hard | Rossana De Los Rios | 6-1 6-0 |
| 2002-09-23 | Bali | R16 | hard | Rossana De Los Rios | 2-6 6-4 6-2 |
| 2000-06-26 | Wimbledon | R128 | grass | Tamarine Tanasugarn | 7-5 6-2 |
Averages over each player's completed matches in the selected window (146 vs 46). 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