Natalie Grandin defeated Nina Duebbers 6-3 6-4 in the Fullerton 50K round of 32 on hard. The upset overturned the form book — Nina Duebbers came in leading the head-to-head 1–0. Natalie Grandin claimed a first win over Nina Duebbers in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-10-20 | Rockhampton 25K | SF | hard | Nina Duebbers | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.