Stefanie Tan defeated Beatrice Gumulya 4-6 6-1 6-2 in the INA vs SIN round robin on hard. The upset overturned the form book — Beatrice Gumulya came in leading the head-to-head 1–0, but Stefanie Tan had been the form player, winning 5 of their last 9 on hard. Stefanie Tan claimed a first win over Beatrice Gumulya in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-09-27 | Jakarta 10K | R32 | hard | Beatrice Gumulya | 7-5 6-4 |
Averages over each player's completed matches in the selected window (8 vs 84). 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