Same race results
Results in races where both riders started.
| # | Date | Race | Roger Blockx | Gerben Karstens | ||||
|---|---|---|---|---|---|---|---|---|
| 1 | 1969-05-18 | 4 Jours de Dunkerque | Stage 6a | DNF | 1 | ||||
| 2 | 1969-05-17 | 4 Jours de Dunkerque | Stage 5 | DF | 4 | ||||
| 3 | 1969-05-16 | 4 Jours de Dunkerque | Stage 4 | 9 | 13 | ||||
| 4 | 1969-05-15 | 4 Jours de Dunkerque | Stage 3a | DF | DF | ||||
| 5 | 1969-05-15 | 4 Jours de Dunkerque | Stage 3b (ITT) | DF | DF | ||||
| 6 | 1969-05-14 | 4 Jours de Dunkerque | Stage 2 | DF | 9 | ||||
| 7 | 1969-05-13 | 4 Jours de Dunkerque | Stage 1 (ITT) | DF | DF | ||||
| 8 | 1967-04-02 | Ronde van Vlaanderen / Tour des Flandres | 64 | 10 | ||||
| 9 | 1967-03-25 | Harelbeke-Antwerp-Harelbeke | 30 | 7 | ||||
| 10 | 1966-04-09 | Ronde van Vlaanderen / Tour des Flandres | 28 | 37 | ||||
| 11 | 1966-03-05 | Omloop Het Volk | 44 | 33 | ||||
| 2 | 6 |