Su Jeong Jang defeated Zeynep Sonmez 6-2 6-3 in the W60 Collonge-Bellerive round of 32 on clay. The upset overturned the form book — Zeynep Sonmez came in ranked #48. Su Jeong Jang extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-04 | W15 Antalya 9 | R16 | clay | Su Jeong Jang | 6-1 4-6 6-2 |
Averages over each player's completed matches in the selected window (96 vs 151). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About