Nicole Pratt defeated Tamarine Tanasugarn 6-3 4-6 6-4 in the San Diego round of 64 on hard. The upset overturned the form book — Tamarine Tanasugarn came in leading the head-to-head 4–2, defending last year's round of 64. Nicole Pratt narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-03-23 | Miami | R128 | hard | Nicole Pratt | 6-3 6-2 |
| 2004-07-10 | Fed Cup WG PO: THA vs AUS | RR | hard | Tamarine Tanasugarn | 1-6 6-4 6-1 |
| 2003-09-08 | Bali | R32 | hard | Tamarine Tanasugarn | 6-0 6-0 |
| 2001-09-17 | Tokyo | R16 | hard | Tamarine Tanasugarn | 6-3 3-6 6-2 |
| 1999-11-08 | Kuala Lumpur | R16 | hard | Tamarine Tanasugarn | 6-3 4-6 7-5 |
| 1997-09-22 | Surabaya | R16 | hard | Nicole Pratt | 7-5 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (49 vs 147). ATP, WTA & Challenger.