Serena Williams Calendar Grand Slam 2025 Printable. 11, 1999, becoming the first black. Serena williams has 21 grand slam singles titles, one short of graf’s record of 22 in the open era.

Her 541 wins on hard courts are the most in the open era, with venus williams’ 498 the next closest, and her 13 grand slam singles titles on hard courts are. 11, 1999, becoming the first black.