Christopher Lam defeated Carsten Ball 6-2 6-3 in the USA F10 round of 16 on clay. Christopher Lam extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-11-05 | USA F28 | SF | hard | Carsten Ball | 6-2 7-6(2) |
| 2005-09-26 | USA F24 | R32 | hard | Christopher Lam | 6-3 3-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.