American tennis superstar Serena Williams has been tipped to overtake Margaret Court's 24 Grand Slam titles record by many.
However, WTA founder Billie Jean King feels that it will be difficult for the 37-year-old, who needs two more Majors to achieve this historical feat.
"It's going to be very difficult," said King on Tennis World.
"It's difficult anyway because you have to remember Margaret won probably was it 11 Australians, I think. Most of us did not go down there every year. It's apples and oranges to compare from the old days to now.
"But Margaret has the most. I don't know where Serena is at. I'm going to be asking her soon when her foot is healed, her ankle, Do you even want to? She has to want it if she's going to get close. Margaret is such a great athlete, was a great athlete, too," she added.
"Rosie Casals called her 'the arm' because she had such long arms. I don't know. I have to know what Serena wants. But if she really wants it, if she's willing to pay the price to get fit, get more fit than she is even now...
"She's better than she was. She needs to get more fit. If she gets fit enough and wants it, I think she can do it."
Williams lost two finals to Angelique Kerber at Wimbledon and to Naomi Osaka at the US Open last year.