Mezue ahịrịokwu na-esonụ: Whitecross gbara asọmpi n'egwuregwu ndị isi na Australian Open ugboro isii, n'agaghị agafe agba nke mbụ. Ihe kacha nso ọ bịara bụ na 1982 Australian Open mgbe ọ meriri Damir Keretić na ise ise, mgbe ọ kwusịrị abụọ mbụ. Ọ pụtakwara ọ dịkarịa ala otu ugboro na asọmpi atọ ndị ọzọ nke Grand Slam, na-egwu egwu na 1980 US Open (nke Víctor Pecci meriri), 1980 Wimbledon Championship (na nwoke abụọ), 1982 Wimbledon Championship (nke Eddie Edwards tụfuru),
1984 Wimbledon Championships (n'egwuregwu agwakọta agwakọta), na 1984 French Open (n'egwuregwu agwakọta ụmụ nwoke).