Monica Seles won her last Grand Slam singles title while she was a citizen of the USA.
 In the run-up to her comeback, then-WTA president Martina Navratilova proposed that Seles be reinstated alongside Steffi Graf as joint number one
 Margaret Court is the only player to complete the Grand Slam in two disciplines, singles and mixed doubles (twice), while wheelchair players Diede de Groot and Dylan Alcott have completed one in both the singles and doubles disciplines of their respective classes

