White attire
As a tennis tournament with long history, Wimbledon Championships has its own dress code. According to its official website, the “almost entirely in white rule” was brought in 1995, indicating that competitors must be dressed in suitable tennis attire that is almost entirely white from the moment they enter the court surround.
Tomas Berdych communicates with Novak Djokovic after their men's singles quarterfinal during Wimbledon Championship 2017 in London, Britain on July 12, 2017. (Xinhua/Jin Yu)