Premise: Hubertus "Huib" Wilton (12 March 1921 in Rotterdam – 29 October 1959) was a Dutch tennis player. He was on the 1953 Netherlands Davis Cup team which also included among others Hans van Swol (his partner in the men's doubles), Boebi van Meegeren and Ivo Rinkel. In 1950 Wilton reached the second round at Wimbledon, losing to Henry Billington of Great Britain 6–1 7–5 11–9.
Hypothesis: Wilton had hamburgers the night before the competition.