I doubt it - it doesn't seem to matter to them that Tomic was born in Germany to Croat and Bosnian parents, or that Kyrios has a mixed Greek and Malaysian heritage.
It becomes increasingly difficult to figure out who to cheer for, and why we do.
Presumably we hoped she would lose against a British opponent when she was playing her youth tennis as an Australian.
I'm happy enough that, if she says she's British, and pays 40% tax, that she's British.
Lewis Hamilton, the Union-Flag-waving-Tax-Exile, on the other hand, can fuck right off and race under the Monaco flag.