Peter Polansky defeated Thai Son Kwiatkowski 6-4 0-6 7-6 in the Columbus CH quarter-final on hard. The upset overturned the form book — Thai Son Kwiatkowski came in leading the head-to-head 1–0, defending last year's quarter-final. Peter Polansky claimed a first win over Thai Son Kwiatkowski in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-07-31 | Washington | Q1 | hard | Thai Son Kwiatkowski | 6-2 6-0 |
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 (127 vs 189). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About