Young Ja Choi defeated Kaori Aoyama 6-3 7-6 in the Tianjin 25K round of 16 on hard. The result followed the form book — Young Ja Choi came in leading the head-to-head 1–0. Young Ja Choi extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-11-15 | Haibara 10K | R16 | carpet | Young Ja Choi | 7-5 7-5 |