ASHLEIGH BARTY BECOMES THE FIFTH AUSTRALIAN TENNIS PLAYER TO BECOME WORLD NO.1 SINCE RANKINGS BEGAN IN 1973.
JOHN NEWCOMBE: 8 weeks June 3 1974 - July 28 1974
EVONNE GOOLAGONG CAWLEY - 2 weeks - April 26, 1976 - May 9, 1976
PATRICK RAFTER: 1 week - July 26 1999 - August 1 1999
LLEYTON HEWITT: - 80 weeks between November 19 2001 - June 15 2003
ASHLEIGH BARTY: June 24 -