Leading men's Grand Slam title winners ahead of the Australian Open, which begins on Monday: 20 - Roger Federer (SUI) 20 - Rafael Nadal (ESP) 17 - Novak Djokovic (SRB) 14 - Pete Sampras (USA) 12 - Roy Emerson (AUS) 11 - Rod Laver (AUS), Bjorn Borg (SWE) 10 - Bill Tilden (USA) 9 - Fred Perry (GBR), Ken Rosewall (AUS), Ivan Lendl, Andre Agassi, Jimmy Connors (all USA) afp