Alexander Flock defeated Sung Ho Im 6-4 4-6 6-3 in the Korea Rep F4 round of 16 on clay. The upset overturned the form book — Sung Ho Im came in leading the head-to-head 2–0. Alexander Flock claimed a first win over Sung Ho Im in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-05-20 | Korea Rep F2 | R32 | clay | Sung Ho Im | 6-3 7-6(4) |
| 2001-08-27 | Korea Rep F3 | R32 | clay | Sung Ho Im | 6-3 7-6(3) |