John Laffnie De Jager defeated Jorge Martinez Alonso 6-4 2-6 6-4 in the South Africa Masters 3 round of 16 on hard. The result followed the form book — John Laffnie De Jager came in leading the head-to-head 1–0. John Laffnie De Jager extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-02-24 | Israel 1 Masters 4 | SF | hard | John Laffnie De Jager | 6-3 6-3 |