Serena to battle for Golden Grand Slam After a disappointing end to 2015, reigning Australian Open champion Serena Williams returns to Melbourne aiming to target another historic achievement this season, by emulating Golden Grand Slam won by Steffi Graf in 1988 Williams could break Margaret Court’s all-time Grand Slam singles record of 24, if she achieves Golden Slam Graf, aged just 19, is only player to win Golden Grand Slam – winning all four majors and Olympic title in same year RECENT AUSTRALIAN OPEN FINALS 2015 2014 2013 2012 2011 Serena Williams USA Maria Sharapova RUS Li Na CHN Dominika Cibulkova SVK Victoria Azarenka BLR Li Na CHN Victoria Azarenka BLR Maria Sharapova RUS Kim Clijsters BEL Li Na CHN 6-3, 7-6 7-6, 6-0 4-6, 6-4, 6-3 6-3, 6-0 3-6, 6-3, 6-3 COMPARING GREATS Serena Williams United States Career: Since 1995 Steffi Graf Germay Career: 1982-99 21 22 Grand Slam record Australian Open Roland Garros Wimbledon U.S. Open 6 3 6 6 4 6 7 5 Career record ATP titles Wins Losses 69 737 123 107 900 115 Olympic Games record (Singles and doubles) 4 0 0 1 1 1 Daphne Akhurst Memorial Cup – first won by Joan Hartigan at 1934 Australian Ch’ships Source: WTA Pictures: Getty Images