MEN
Andres Gimeno (1972): 34 years and 10 months.
Ken Rosewall (1968): 33 years and 7 months.
Frank Parker (1949): 33 years and 4 months.
WOMEN
Zsuzsa Kormoczy (1958): 33 years.
Serena Williams (2013) : 31 yers and 247 days.
Nelly Adamson-Landry (1948): 31 years and 6 months.
Chris Evert (1986): 31 years and 5 months.
