Soon Woo Kwon defeated Evgeny Donskoy 7-6 6-3 in the Seoul CH round of 16 on hard. The result followed the form book — Soon Woo Kwon came in leading the head-to-head 1–0, defending last year's quarter-final. Soon Woo Kwon extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-09-20 | Nur-Sultan | R32 | hard | Soon Woo Kwon | 6-4 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About