Roel Oostdam defeated Kevin Deden 3-6 6-3 6-1 in the Netherlands F4 round of 16 on clay. The upset overturned the form book — Kevin Deden came in leading the head-to-head 1–0. Roel Oostdam claimed a first win over Kevin Deden in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-11 | Netherlands F7 | R32 | clay | Kevin Deden | 7-5 7-5 |