Pavel Riha defeated Jan Riha 6-1 6-4 in the Austria F8 round of 16 on clay. The upset overturned the form book — Jan Riha came in leading the head-to-head 1–0. Pavel Riha claimed a first win over Jan Riha in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-19 | Slovenia F2 | R32 | clay | Jan Riha | 6-2 7-5 |