Ryuso Tsujino defeated Han Cheol Shin 1-6 6-1 6-4 in the Korea Masters 3 round of 16 on clay. The upset overturned the form book — Han Cheol Shin came in leading the head-to-head 2–0. Ryuso Tsujino claimed a first win over Han Cheol Shin in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1995-05-13 | Korea Masters 1 | QF | hard | Han Cheol Shin | 6-4 6-3 |
| 1992-11-02 | Japan Masters 3 | F | hard | Han Cheol Shin | 6-3 6-2 |