Helge Koll defeated Jan Hermansson 6-1 6-2 in the Sweden F1 round of 32 on carpet. The result followed the form book — Helge Koll came in leading the head-to-head 1–0. Helge Koll extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-20 | Sweden F1 | R16 | hard | Helge Koll | 7-5 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.