Nick Smith, head of communications at Ascot, said: "We are delighted with the standard of dress we are seeing in both the royal enclosure and the grandstand. The new dress code has clearly had a positive impact on that.
He added: "We always said that we would adopt the new rules sensitively using common sense and discretion, especially in the first year of its implementation, and that is what we are doing."
More top news
A four-year-old boy has survived a 230-foot fall from a cliff in California.
Stevi Ritchie left the show after a shock sing-off with Italian finalist Andrea Faustini.
Cardinal Nichols told ITV News his 'instinct' was that there was something 'disproportionate' about the war this summer.