Yu An Chen defeated Seiko Okamoto 7-6 3-6 6-4 in the Dalian 10K round of 32 on hard. Yu An Chen extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-09-03 | Kugayama 10K | R32 | hard | Seiko Okamoto | 6-3 6-0 |
| 1999-09-06 | Ibaraki 2 10K | SF | hard | Yu An Chen | 6-2 6-3 |