Keith Brill defeated Chris Tontz 6-3 6-3 in the USA F1 round of 64 on clay. The upset overturned the form book — Chris Tontz came in leading the head-to-head 1–0. Keith Brill claimed a first win over Chris Tontz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-10-10 | USA 6 Masters 4 | QF | hard | Chris Tontz | 6-4 6-7 6-1 |