Imisa Grand Slam ayuu Boris Becker ku guuleystay?
Boris Becker wuxuu ku guuleystay lix horyaal oo Grand Slam ah intii uu ku jiray xirfadiisa. Wuxuu ku guuleystay Wimbledon 1985, 1986 iyo 1989, US Open 1989 iyo Australian Open 1991 iyo 1996.