Bastian Gronefeld advanced when Zbynek Mlynarik retired 6-1 in the Germany F7 round of 16. Bastian Gronefeld claimed a first win over Zbynek Mlynarik in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-06-21 | Netherlands F1 | R16 | clay | Zbynek Mlynarik | 7-5 6-0 |