Henrik Andersson defeated Helge Koll 7-5 6-2 in the Norway F1 semi-final on carpet. The upset overturned the form book — Helge Koll came in leading the head-to-head 1–0. Henrik Andersson claimed a first win over Helge Koll in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-09-08 | Sweden Masters 2 | R16 | carpet | Helge Koll | 6-3 6-3 |
Averages over each player's completed matches in the selected window (1 vs 1). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About