Alena Nesticka defeated Nina Duebbers 1-6 6-1 6-4 in the Darmstadt 25K qualifying round on clay. The upset overturned the form book — Nina Duebbers came in leading the head-to-head 2–0, but Alena Nesticka had been the form player, winning 3 of their last 6 on clay. Alena Nesticka claimed a first win over Nina Duebbers in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-08-27 | US Open | Q32 | hard | Nina Duebbers | 6-3 6-4 |
| 1998-11-10 | Bossonnens 10K | QF | carpet | Nina Duebbers | 7-5 6-2 |