Wynne Prakusya defeated Tian Tian Sun 6-1 6-2 in the Seoul 50K round of 16 on hard. The upset overturned the form book — Tian Tian Sun came in leading the head-to-head 1–0, but Wynne Prakusya had been the form player, winning 4 of their last 5 on hard. Wynne Prakusya claimed a first win over Tian Tian Sun in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-04-26 | Fed Cup G1 PO: CHN vs INA | RR | hard | Tian Tian Sun | 6-0 6-7 7-5 |
Averages over each player's completed matches in the selected window (1 vs 28). 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. Small sample — read as indicative. About