Sandy Gumulya defeated Nudnida Luangnam 6-1 5-7 7-5 in the Jakarta 2 10K semi-final on hard. The upset overturned the form book — Nudnida Luangnam came in leading the head-to-head 2–0, but Sandy Gumulya had been the form player, winning 7 of their last 10 on hard. Sandy Gumulya claimed a first win over Nudnida Luangnam in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-03 | Palembang 25K | R16 | hard | Nudnida Luangnam | 6-4 6-2 |
| 2010-08-02 | Balikpapan 25K | R16 | hard | Nudnida Luangnam | 6-4 6-2 |
Averages over each player's completed matches in the selected window (2 vs 70). 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