Bangaki ama-grand slam uBoris Becker awawina?
UBoris Becker wanqoba izicoco eziyisithupha zeGrand Slam ngesikhathi somsebenzi wakhe. Wanqoba iWimbledon ngo-1985, 1986 nango-1989, i-US Open ngo-1989 kanye ne-Australian Open ngo-1991 nango-1996.