Mathieu van der Poel's dominant return to cyclo-cross action has been cut short, as the 29-year-old has withdrawn from the X20 Badkamers Trofee in Koksijde.
Katie Boulter put up a good fight but could not manage to topple world No. 2 Iga Swiatek in the United Cup, losing a high-quality encounter 6-7(4) 6-1 6-4.