Jon Hedman defeated Helge Koll 3-6 6-4 6-3 in the Norway F1 round of 32 on carpet. The upset overturned the form book — Helge Koll came in leading the head-to-head 3–0. Jon Hedman claimed a first win over Helge Koll in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-09-08 | Sweden Masters 2 | R32 | carpet | Helge Koll | 6-3 6-3 |
| 1997-03-22 | Egypt 1 Masters 4 | R32 | clay | Helge Koll | 6-2 7-5 |
| 1995-08-19 | Switzerland 1 Masters 1 | R32 | clay | Helge Koll | 4-6 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.