Su Jeong Jang defeated Dabin Kim 6-2 6-2 in the W25 Guiyang quarter-final on hard. The result followed the form book — Su Jeong Jang came in ranked #656, leading the head-to-head 2–0. Su Jeong Jang extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-11-23 | W50 Yokohama 1 | Q32 | hard | Su Jeong Jang | 6-3 6-1 |
| 2013-08-26 | Yeong Wol 10K | R16 | hard | Su Jeong Jang | 6-3 6-3 |
Averages over each player's completed matches in the selected window (109 vs 30). 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