Michel Koning defeated Boy Westerhof 7-6 6-1 in the Netherlands F5 semi-final on clay. Michel Koning extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-04 | Netherlands F6 | R32 | clay | Boy Westerhof | 6-4 6-4 |
| 2006-06-19 | Netherlands F2 | R32 | clay | Michel Koning | 6-4 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.