Mitty Arnold defeated Keith Brill 6-1 6-4 in the Central America Masters 3 round of 32 on clay. Mitty Arnold extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-01-11 | USA F2 | R64 | hard | Keith Brill | 6-4 7-6 |
| 1999-01-04 | USA F1 | R32 | hard | Mitty Arnold | 7-5 6-1 |