Helge Koll defeated Robert Samuelsson 7-5 6-4 in the Sweden F2 round of 32 on hard. The upset overturned the form book — Robert Samuelsson came in leading the head-to-head 2–0. Helge Koll claimed a first win over Robert Samuelsson in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-03-27 | USA F7 | R16 | hard | Robert Samuelsson | 6-1 6-3 |
| 1998-09-28 | Sweden F2 | R32 | hard | Robert Samuelsson | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.