Philipp Petzschner defeated Igor Kunitsyn 6-4 1-6 6-3 in the US Open q64 on hard. The upset overturned the form book — Igor Kunitsyn came in leading the head-to-head 1–0. Philipp Petzschner claimed a first win over Igor Kunitsyn in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-02-16 | Memphis | R16 | hard | Igor Kunitsyn | 3-6 6-4 6-4 |
Averages over each player's completed matches in the selected window (36 vs 1). 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. Small sample — read as indicative. About