Su Jeong Jang defeated Ling Zhang 6-3 6-3 in the Kuala Lumpur qualifying round 1 on hard. The upset overturned the form book — Ling Zhang came in leading the head-to-head 2–1. Su Jeong Jang narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-07-20 | Zhengzhou $25K | R16 | hard | Su Jeong Jang | 0-6 6-4 6-4 |
| 2013-06-24 | Gimcheon 10K | SF | hard | Ling Zhang | 6-4 2-6 7-5 |
| 2012-06-25 | Incheon 25K | R32 | hard | Ling Zhang | 2-6 6-4 6-3 |
Averages over each player's completed matches in the selected window (150 vs 15). 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