Ubani umdlali wethenisi omkhulu kunabo bonke emlandweni?
Ezikhathini zanamuhla futhi ngokusekelwe ezinhlwini eziphelele kanye nomthelela jikelele emdlalweni, bobabili uSerena Williams noRoger Federer babhekwa njengabadlali abakhulu kunabo bonke kulesi sizukulwane