Chris Wettengel defeated Carsten Ball 7-5 6-2 in the USA F8 round of 32 on hard. The upset overturned the form book — Carsten Ball came in leading the head-to-head 1–0. Chris Wettengel claimed a first win over Carsten Ball in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-11-05 | USA F28 | QF | hard | Carsten Ball | 6-4 7-6(7) |
Averages over each player's completed matches in the selected window (6 vs 1). 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. Small sample — read as indicative. About