Diego Del Rio defeated Lucas Arnold Ker 3-6 6-4 6-3 in the Chile Masters 2 qualifying round on clay. The result followed the form book — Diego Del Rio came in leading the head-to-head 2–0. Diego Del Rio extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-07-17 | Argentina 2 Masters 1 | F | clay | Diego Del Rio | 6-2 6-2 |
| 1991-09-02 | Brazil 6 Masters 3 | SF | clay | Diego Del Rio | 0-6 7-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.