

Soon Woo Kwon defeated Tomas Machac 3-6 6-3 6-4 in the Nottingham 2 CH round of 32 on grass. The upset overturned the form book — Tomas Machac came in ranked #62, leading the head-to-head 2–1. Soon Woo Kwon narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-01-31 | Davis Cup QLS R1: KOR vs CZE | RR | hard | Tomas Machac | 6-2 6-2 |
| 2023-01-09 | Adelaide 2 | Q2 | hard | Tomas Machac | 7-5 3-6 6-3 |
| 2023-01-09 | Adelaide 2 | R32 | hard | Soon Woo Kwon | 6-4 6-4 |
Averages over each player's completed matches in the selected window (167 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Woo Kwon S.: 1 day rest · 3 matches, 77 games (7d) · Machac T.: 6 days rest · 1 match, 17 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About