Order of Play – Martes, 21 de febrero. #MeridaOpenAKRON @WTA | @WTA_Espanol https://t.co/KDAGV0FxOj

@TennisMyLife68 @atptour @WTA @thetennisbase Laver was the world number 1 ranked professional in some sources in 1964, in all sources from 1965 to 1969 and in some sources in 1970, spanning four years before and three years after the start of the Open Era in 1968.