Dee ihe na-aga n'ihu maka paragraf a - Oge egwuregwu Roger Federer nke 2018 bidoro na Disemba 30, 2017, na mmalite nke Hopman Cup
, ma mechie na 17 Nọvemba 2018, na mmeri na ọkara nke ATP Finals. O mechiri afọ ahụ n'ọkwa nke atọ na ATP Rankings. Oge a hụrụ Federer ka ọ na-emeziwanye ọrụ ya kachasị mma na mmalite oge na 17<unk>0 (21<unk>0 ma ọ bụrụ na ịgụnye mmeri na Hopman Cup). Federer meriri isi iri abụọ ya na Australian Open ma gbasaa ndekọ ya n'oge ahụ nke izu na World No. 1 ruo izu 310 n'oge a.