Akiko Yonemura defeated So Jung Kim 6-2 4-6 6-1 in the Nagano 25K round of 16 on carpet. The upset overturned the form book — So Jung Kim came in leading the head-to-head 2–0. Akiko Yonemura claimed a first win over So Jung Kim in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-08 | Wuxi 25K | R32 | hard | So Jung Kim | 6-1 6-3 |
| 2004-07-12 | Gunma 25K | QF | carpet | So Jung Kim | 6-3 6-3 |
Averages over each player's completed matches in the selected window (1 vs 5). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About