Per Thornadtsson defeated Jonathan Printzlau 6-2 6-2 in the Sweden Masters 2 qualifying round on carpet. The upset overturned the form book — Jonathan Printzlau came in leading the head-to-head 1–0. Per Thornadtsson claimed a first win over Jonathan Printzlau in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-06-27 | Denmark Masters 3 | R32 | clay | Jonathan Printzlau | 6-4 6-7 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.