Yunseong Chung defeated Fajing Sun 6-4 6-4 in the Zhangjiagang CH round of 64 on hard. Yunseong Chung extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-04-19 | M25 Jakarta 2 | R32 | hard | Yunseong Chung | 6-3 6-4 |
| 2016-08-22 | Thailand F1 | SF | hard | Fajing Sun | 6-4 6-3 |
Averages over each player's completed matches in the selected window (200 vs 200). 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