Mari Andersson defeated Karoline Borgersen 6-4 6-3 in the Oslo 10K semi-final on clay. The result followed the form book — Mari Andersson came in leading the head-to-head 2–0. Mari Andersson extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-24 | Gausdal 10K | SF | hard | Mari Andersson | 6-2 3-0 |
| 2005-05-09 | Falkenberg 10K | QF | clay | Mari Andersson | 3-6 6-1 6-2 |