Mariaan De Swardt defeated Nana Smith 6-2 6-2 in the US Open q16 on hard. The upset overturned the form book — Nana Smith came in leading the head-to-head 2–0. Mariaan De Swardt claimed a first win over Nana Smith in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-10-28 | Austin TX 75K | SF | hard | Nana Smith | 6-3 6-3 |
| 1997-08-04 | Salt Lake City 75K | R16 | hard | Nana Smith | 7-5 6-4 |