Natalia Egorova defeated Mareze Joubert 6-4 6-3 in the Ilkley 10K round of 16 on grass. The upset overturned the form book — Mareze Joubert came in leading the head-to-head 1–0. Natalia Egorova claimed a first win over Mareze Joubert in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-09-23 | Sunderland 10K | F | carpet | Mareze Joubert | 6-3 1-6 7-5 |