Hae Sung Kim defeated Remi Tezuka 5-7 6-3 6-3 in the Wellington 10K round of 16 on hard. The upset overturned the form book — Remi Tezuka came in leading the head-to-head 2–0. Hae Sung Kim claimed a first win over Remi Tezuka in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-24 | Goyang 25K | R16 | hard | Remi Tezuka | 6-1 6-2 |
| 2006-06-12 | Inchon 25K | R32 | hard | Remi Tezuka | 6-1 6-4 |