Per Thornadtsson defeated Marcus Sarstrand 6-3 7-6 in the Sweden 2 Masters 4 round of 32 on carpet. Per Thornadtsson extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-09-24 | Sweden F2 | R16 | hard | Marcus Sarstrand | 6-4 6-1 |
| 1998-06-08 | Finland F1 | QF | clay | Marcus Sarstrand | 7-5 6-3 |
| 1998-01-03 | Italy 1 Masters 3 | R16 | carpet | Per Thornadtsson | 6-1 6-2 |
| 1997-09-08 | Sweden Masters 2 | R16 | carpet | Per Thornadtsson | 4-6 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.