So Jung Kim defeated I Hsuan Hwang 6-0 6-1 in the Pingguo 25K round of 32 on hard. The upset overturned the form book — I Hsuan Hwang came in leading the head-to-head 3–2. So Jung Kim narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-07-27 | Obihiro-Tokachi 25K | R16 | carpet | So Jung Kim | 6-4 3-6 7-6(1) |
| 2009-05-25 | Goyang 25K | R32 | hard | I Hsuan Hwang | 6-2 1-6 6-4 |
| 2009-03-23 | Wellington 10K | SF | hard | So Jung Kim | 6-3 6-3 |
| 2009-03-16 | Hamilton 10K | R32 | hard | I Hsuan Hwang | 6-3 7-6(3) |
| 2009-03-09 | North Shore City 10K | SF | hard | I Hsuan Hwang | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.