Nam Ju Bae defeated Ricardo Herrera 3-6 6-2 6-1 in the Indonesia Masters 4 qualifying round on hard. The result followed the form book — Nam Ju Bae came in leading the head-to-head 1–0. Nam Ju Bae extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-08-26 | Indonesia Masters 2 | SF | hard | Nam Ju Bae | 6-4 6-4 |