Francisco Ruiz defeated Andy Fahlke 3-6 6-3 6-4 in the Chile 1 Masters 4 round of 16 on clay. The upset overturned the form book — Andy Fahlke came in leading the head-to-head 1–0. Francisco Ruiz claimed a first win over Andy Fahlke in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-04 | Chile 1 Masters 1 | QF | clay | Andy Fahlke | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.