Angela Buxton and Althea Gibson won Wimbledon doubles in 1956. Both faced discrimination, Gibson because she was Black and Buxton because of Anti-Semitism.
“The International Tennis Federation announced the death of Buxton on Monday, describing her as ‘an early pioneer of equal rights.'” (From ESPN).
Here’s an article about the friendship between Angela Buxton and Althea Gibson: https://www.telegraph.co.uk/tennis/2019/06/20/angela-buxton-althea-gibsons-friendship-no-ordinary-bond-outsider/
Buxton, who was Jewish, and Gibson became friends in tennis: https://www.cbsnews.com/news/althea-gibson-former-tennis-pro-angela-buxton-remembers-althea-gibson-decades-after-they-made-history/