Yong Il Yoon defeated Nam Ju Bae 6-2 6-4 in the Korea Masters 4 round of 16 on clay. The result followed the form book — Yong Il Yoon came in leading the head-to-head 1–0. Yong Il Yoon extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-05-15 | Korea Masters 4 | R16 | hard | Yong Il Yoon | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.