<prompt> Bhala ukuqhubeka kwalesi sigaba - UZverev ube nempumelelo enkulu ngo-2018  <response>: no-2019 lapho ehlangana no-Angelique Kerber. Ngonyaka wabo wokuqala bendawonye, bakwazile ukudlulela kowamanqamu, ikakhulukazi ngenxa yokuthi laba bobabili banqobile kuyo yonke imidlalo yabo emithathu yama-doubles ahlanganisiwe. Emdlalweni wokugcina neSwitzerland, uZverev wahlulwa nguFederer. Yize uKerber ephumelele umdlalo wakhe wabantu abangashadile ngokumelene noBelinda Bencic, balahlekelwe yi-rubber enqumayo yama-doubles ahlanganisiwe. Babuyela emuva ngo-2019 futhi baphinde bafinyelela kowamanqamu ukuhlela umdlalo wokugcina wonyaka odlule noFederer noBencic. Eqenjini le-round-robin ne-Australia, iFrance neSpain, laba bobabili banqobe yonke imidlalo yabo eyisithupha, kodwa balahlekelwa imidlalo emibili kwemithathu yabo yama-doubles ahlanganisiwe bebhekene ne-Australia neFrance. Njengonyaka odlule, umdlalo wokugcina wanqunywa ngomdlalo wabantu ababili abahlanganisiwe ngemuva kokuthi uFederer ehlule uZverev kanti uKerber wehlule uBencic. Ngefomethi ye-Fast4, lo mdlalo waba amasethi amathathu. Esikhathini sesithathu sokuqedwa kwesethi, womabili amaqembu ayenamaphuzu afanayo ngo-4 kuya ku-4. ISwitzerland iwine iphuzu noFederer esebenza ukuze anqobe isicoco. 