Lavinia Tananta defeated Grace Sari Ysidora 6-3 6-1 in the Solo 10K semi-final on hard. The upset overturned the form book — Grace Sari Ysidora came in leading the head-to-head 2–0. Lavinia Tananta claimed a first win over Grace Sari Ysidora in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-06-06 | Jakarta 10K | R32 | hard | Grace Sari Ysidora | 6-3 3-6 6-3 |
| 2009-07-27 | Jakarta 10K | R32 | hard | Grace Sari Ysidora | 2-6 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.