Martina Muller defeated Nina Duebbers 7-5 6-1 in the Vaihingen 25K round of 16 on clay. Martina Muller extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-04-12 | Biarritz 25K | QF | clay | Martina Muller | 6-1 6-1 |
| 2003-10-20 | Rockhampton 25K | R32 | hard | Nina Duebbers | 6-2 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.