H2H Monuments
Results for Constant De Keyser and Marcel  Seynaeve in the 5 monuments of cycling, Milan-SanRemo, Tour of Flanders, Paris-Roubaix, Liege-Bastogne-Liege and Il Lombardia. 
| # | Year | Race | Constant De Keyser | Marcel Seynaeve | ||||
|---|---|---|---|---|---|---|---|---|
| 1 | 1960 | Paris-Roubaix | 41 | 53 | ||||
| 2 | 1960 | Ronde van Vlaanderen | 31 | 31 | ||||