Jerome Hanquez defeated Petr Dezort 7-5 6-3 in the Bulgaria Masters 4 qualifying round on clay. The upset overturned the form book — Petr Dezort came in leading the head-to-head 1–0, but Jerome Hanquez had been the form player, winning 2 of their last 5 on clay. Jerome Hanquez claimed a first win over Petr Dezort in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-02 | Bulgaria Masters 3 | SF | clay | Petr Dezort | 6-3 1-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.