Louk Sorensen defeated Kevin Sorensen 6-4 6-2 in the Portugal F1 round of 16 on hard. The upset overturned the form book — Kevin Sorensen came in leading the head-to-head 1–0. Louk Sorensen claimed a first win over Kevin Sorensen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-05-05 | Turkey 1 3 | R16 | clay | Kevin Sorensen | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.