Andy Fahlke defeated Francisco Ruiz 6-3 6-1 in the Chile 1 Masters 1 qualifying round on clay. The upset overturned the form book — Francisco Ruiz came in leading the head-to-head 1–0. Andy Fahlke claimed a first win over Francisco Ruiz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-04 | Chile 1 Masters 4 | R16 | clay | Francisco Ruiz | 3-6 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.