Keith Brill defeated Hugo Armando 6-2 6-2 in the USA F2 round of 64 on clay. The upset overturned the form book — Hugo Armando came in leading the head-to-head 1–0. Keith Brill claimed a first win over Hugo Armando in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-01-10 | Central America Masters 4 | R16 | clay | Hugo Armando | 6-3 2-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.