But the difference is that in tennis every contest is 1vs1 which makes absolute dominance much easier to achieve than a mass field sport like cycling.Or the big 3 in tennis. When Federer, Djokovic or Nadal were on their game and healthy they were clearly superior, and their dominance has lasted more than a decade, too. Even more remarkable given how many tennis players there are.
As good as Wout and Mathieu are on the road I can’t recall any race day, whether a 1 day classic or a stage, in which the pair ripped clear of the field by a huge margin to contest a 2up finish whereas this scenario plays out 95% of the time both enter the same cyclocross race.