Catherine Barclay defeated Shinobu Asagoe 7-5 6-2 in the Seoul II 25K qualifying round on hard. The upset overturned the form book — Shinobu Asagoe came in leading the head-to-head 1–0. Catherine Barclay claimed a first win over Shinobu Asagoe in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-29 | Gifu 50K | QF | carpet | Shinobu Asagoe | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.