I Hsuan Hwang defeated So Jung Kim 6-3 7-6 in the Hamilton 10K round of 32 on hard. The upset overturned the form book — So Jung Kim came in leading the head-to-head 3–2. I Hsuan Hwang narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-08-17 | Pingguo 25K | R32 | hard | So Jung Kim | 6-0 6-1 |
| 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 |
| 2009-03-09 | 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.