Christopher Lam defeated Carsten Ball 6-3 3-6 7-5 in the USA F24 round of 32 on hard. 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) |
| 2007-05-07 | USA F10 | R16 | clay | Christopher Lam | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.