Jerome Haehnel defeated Tommi Lenho 6-1 6-3 in the France F1 round of 32 on clay. The upset overturned the form book — Tommi Lenho came in leading the head-to-head 1–0. Jerome Haehnel claimed a first win over Tommi Lenho in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-04 | Germany F5 | QF | clay | Tommi Lenho | 2-6 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.