Major Grand Slam titles won by Justine Henin of Belgium who announced her return to professional tennis on Tuesday: JUSTINE HENIN (BEL) Grand Slam titles - Seven 2003 - French Open bt Kim Clijsters (BEL) 6-0, 6-4 in final - US Open - bt Kim Clijsters (BEL) 7-5, 6-1 in final 2004 - Australian Open - bt Kim Clijsters (BEL) 6-3, 4-6, 6-3 in final 2005 - French Open bt Mary Pierce (FRA) 6-1, 6-1 in final 2006 - French Open - bt Svetlana Kuznetsova (RUS) 6-4, 6-4 in final 2007 - French Open - bt Ana Ivanovic (SRB) 6-1, 6-2 in final - US Open - bt Svetlana Kuznetsova (RUS) 6-1, 6-3 in final 