There is no option to link a tournament with a specific date at moment to show the user when the event starts and ends. In addition to that, the tournament stages normally have specific dates as well. The dates should also be in the tournament header in order to display it with the shortcode.
From - https://anwppro.userecho.com/communities/4/topics/244-news-section-under-tournaments-and-more-ideas
Customer support service by UserEcho