Wimbledon Men Singles

Frances Tiafoe of the US celebrates after winning the men's singles match against Stefanos Tsitsipas of Greece on day one of the Wimbledon Tennis Championships in London, Monday June 28, 2021. (AP Photo/Alastair Grant)

Frances Tiafoe of the US celebrates after breaking the serve of Stefanos Tsitsipas of Greece during the men's singles match on day one of the Wimbledon Tennis Championships in London, Monday June 28, 2021. (AP Photo/Alastair Grant)

Stefanos Tsitsipas of Greece returns the ball to Frances Tiafoe of the US during the men's singles match on day one of the Wimbledon Tennis Championships in London, Monday June 28, 2021. (AP Photo/Alastair Grant)

Frances Tiafoe of the US celebrates after winning the men's singles match against Stefanos Tsitsipas of Greece on day one of the Wimbledon Tennis Championships in London, Monday June 28, 2021. (AP Photo/Alastair Grant)

Frances Tiafoe of the US celebrates after winning the men's singles match against Stefanos Tsitsipas of Greece on day one of the Wimbledon Tennis Championships in London, Monday June 28, 2021. (AP Photo/Alastair Grant)