Nina Duebbers defeated Arantxa Parra Santonja 7-5 6-3 in the Biarritz 25K round of 32 on clay. The upset overturned the form book — Arantxa Parra Santonja came in leading the head-to-head 1–0. Nina Duebbers claimed a first win over Arantxa Parra Santonja in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-07-22 | Pamplona 25K | R16 | hard | Arantxa Parra Santonja | 6-4 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.