Ayaka Maekawa defeated So Jung Kim 6-2 7-5 in the Gimhae 10K round of 32 on hard. The upset overturned the form book — So Jung Kim came in leading the head-to-head 1–0, but Ayaka Maekawa had been the form player, winning 2 of their last 4 on hard. Ayaka Maekawa claimed a first win over So Jung Kim in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-09 | North Shore City 10K | R16 | hard | So Jung Kim | 5-7 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.