Stefan Kilchhofer defeated Nicolas Dubey 7-5 7-6 in the Switzerland 2 4 round of 32 on clay. The upset overturned the form book — Nicolas Dubey came in leading the head-to-head 1–0, but Stefan Kilchhofer had been the form player, winning 1 of their last 4 on clay. Stefan Kilchhofer claimed a first win over Nicolas Dubey in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-08-23 | Switzerland 2 4 | R16 | clay | Nicolas Dubey | 4-6 6-2 7-6(2) |