What are some interesting facts of tennis?

Answer:
The first African American to win the US open was Arthur Ashe. A tennis ball weighs about 2-3 ounces. Margaret (nee Smith) Court [Australia] has won more majors than any other player in history with 63, comprising a solid mix of singles, doubles and mixed doubles titles.
Rod Laver is the only player in history to have won 2 singles Grand Slams - one as an amateur and the other as an 'open' player.
First answer by ID1175925907. Last edit by Denidowi. Contributor trust: 149 [recommend contributor recommended]. Question popularity: 9 [recommend question].