((country data (({1))} | flaglink/core | variant = | size = | name = | altlink = at the Hopman Cup | altvar = tennis | mw = Hopman
))
((hopman|nation|variant|size=optional|name=optional))
Produces a flag icon attached to a wikilinked Hopman Cup team article.
((hopman|Australia))
→ Australia((hopman|ARG))
→ Argentina((hopman|South Africa|1928))
→ South Africa((hopman|Great Britain|name=British Isles))
→ British Isles