In ITF web site (http://www.itftennis.com/juniors/pla...009551)Mirjana
Lucic Career High Singles N°2 (31/12/1996)
Mirjana Lucic in 1996 Year End Rank Juniors was N°2 (N°1 Mauresmo(FRA))
Then win "Australian Hardcourt Championships" Grade 1 (18/1/1997)
Then win "Australian Open Junior Championships" Grade A (26/1/1997) (in singles and doubles).
Was she N°1 in february 1997?
Lučić turned professional in April 1997 at the age of 15 (born 9 march 1982) and:
win Bol WTA Title (Tier IV & V now International)(4 may 1997)
Runnerup Strasbourg WTA Title (Tier III, now Premier)(24 may 1997)(lost with Steffi Graff)