Eui Jong Chang defeated Ryuso Tsujino 6-4 6-0 in the Korea Masters 3 semi-final on clay. The upset overturned the form book — Ryuso Tsujino came in leading the head-to-head 1–0. Eui Jong Chang claimed a first win over Ryuso Tsujino in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-05-15 | Korea Masters 3 | QF | hard | Ryuso Tsujino | 6-3 6-3 |