Nina Duebbers defeated Anne Keothavong 6-1 6-1 in the Pamplona 25K round of 32 on hard. The upset overturned the form book — Anne Keothavong came in leading the head-to-head 2–0. Nina Duebbers claimed a first win over Anne Keothavong in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-02-24 | Ostrava 25K | QF | hard | Anne Keothavong | 6-3 6-4 |
| 2003-02-17 | Redbridge 25K | R32 | hard | Anne Keothavong | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.