Matthias Muller defeated Vaclav Roubicek 6-3 6-7 7-6 in the Egypt F1 round of 16 on clay. The upset overturned the form book — Vaclav Roubicek came in leading the head-to-head 1–0. Matthias Muller claimed a first win over Vaclav Roubicek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-11 | Yugoslavia F1 | QF | clay | Vaclav Roubicek | 6-2 7-5 |