Per Thornadtsson defeated Patrik Langvardt 3-6 6-3 6-3 in the Denmark Masters 1 round of 32 on clay. The upset overturned the form book — Patrik Langvardt came in leading the head-to-head 1–0. Per Thornadtsson claimed a first win over Patrik Langvardt in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-09-26 | Greece 2 Masters 3 | R32 | carpet | Patrik Langvardt | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.