Sung Hee Han defeated Lisa Whybourn 6-1 6-4 in the Balikpapan 25K round of 32 on hard. The upset overturned the form book — Lisa Whybourn came in leading the head-to-head 1–0. Sung Hee Han claimed a first win over Lisa Whybourn in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-27 | Tsukuba 25K | R32 | hard | Lisa Whybourn | 6-3 6-3 |
Averages over each player's completed matches in the selected window (3 vs 4). 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