What's happened already on day four?published at 14:00 British Summer Time 30 July
- Men's triathlon postponed over poor water quality.
- Matthew Richards has qualified for the semi-finals of the men's 100m freestyle event, while Jacob Whittle narrowly missed out.
- Anna Hopkin has qualified for the semi-finals of the women's 100m freestyle event.
- Great Britan's men have qualified for the 4x200m men's freestyle relay final, finishing first in qualifying.
- Nathan Hales has reached the final of the men's trap shooting event.
- Jack Draper has been knocked out of the men's singles tennis.
- Defending champion Charlotte Worthington has been knocked out of the women's BMX freestyle qualification in the first round.
- Great Britain's men's came from behind to draw 2-2 with the Netherlands in the hockey pool stage.