Stephanie Halsell defeated Ella Ionescu 7-5 6-1 in the CD Juarez 10K qualifying round on hard. The upset overturned the form book — Ella Ionescu came in leading the head-to-head 1–0. Stephanie Halsell claimed a first win over Ella Ionescu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-04-26 | Coatzacoalcos 10K | R16 | hard | Ella Ionescu | 6-4 6-4 |