Jae Sik Kim defeated Ryuso Tsujino 6-4 6-3 in the China Masters 1 round of 16 on hard. The result followed the form book — Jae Sik Kim came in leading the head-to-head 1–0. Jae Sik Kim extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-11-04 | Japan Masters 1 | R32 | hard | Jae Sik Kim | 6-0 6-3 |