Mezue ahịrịokwu na-esonụ: Doyle malitere ịgba karat mgbe ọ dị afọ 10, mgbe afọ atọ gasịkwara, o sonyeere òtù ịgba karat nke Britain. Doyle gbara asọmpi na asọmpi mbụ nke World Judo Championship maka ụmụ nwanyị na 1980. Ọ bụ otu n'ime ndị judoka asaa n'emume ahụ, ma merie ọla nchara. Ọ bịara nke atọ na 1980 European Judo Championships, na nke abụọ na 1981 na
1982 European Judo Championships. O meriri n'asọmpị n'okpuru kilogram iri ise na abụọ na 1982 World Judo Championships. N'afọ 1983, Doyle meriri asọmpi n'okpuru kilogram iri ise na abụọ na European Judo Championship na Genoa, Italy. Doyle aghaghị ịkwụ ụgwọ nke ya iji sọọ mpi na 1984 World Judo Championships; ọ ga-agbaziri ego nna ya. N'asọmpi ahụ, Doyle merụrụ ahụ n'ubu ya ma kpọga ya ụlọọgwụ.