Junri Namigata advanced when Beier Ko retired 6-1 in the Seoul 25K round of 32. Junri Namigata claimed a first win over Beier Ko in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-05-16 | Changwon 25K | R16 | hard | Beier Ko | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.