Even in Australia, visa and covid clearance are not related, although you want to paint a different picture.
There is no covid specific terms in the legalisation, all health related requirements are lumped together. Covid criteria are published separately and not by Tennis Australia or the Victorian Government
Section 65 of the Migration Act 1958 (Cth)
This section will examine s 65 of the Migration Act 1958 (Cth) as it relates to the decision-making process in relation to the Health Requirement.
3.13 Section 65 of the Act deals with the ‘decision to grant or refuse to grant a visa’.6 Section 65(1)(a) and (b) states:
After considering a valid application for a visa, the Minister:
if satisfied that:
the health criteria for it (if any) have been satisfied; and
the other criteria for it prescribed by this Act or the regulations have been satisfied; and
the grant of the visa is not prevented by section 40(circumstances when granted), 500A (refusal or cancellation of temporary safe haven visas), 501 (special power to refuse or cancel) or any other provision of this Act or of any other law of the Commonwealth; and
any amount of visa application charge payable in relation to the application has been paid;
is to grant the visa or
if not so satisfied, is to refuse to grant the visa.7
For the purposes of this report, a person with authority to act under s 65 of the Act (other than the Minister of Immigration and Citizenship) will be referred to as a “Department decision-maker”.
3.15 In applying s 65 of the Act, a Department decision-maker must consider the health criterion named therein. Subsection 5(1) of the Act, provides the following definition for the ‘health criterion’ as specified in s 65:
"health criterion", in relation to a visa, means a prescribed criterion for the visa that:
relates to the applicant for the visa, or the members of the family unit of that applicant; and
a prescribed disease; or
a prescribed kind of disease; or
a prescribed physical or mental condition; or
a prescribed kind of physical or mental condition; or
a prescribed kind of examination; or
a prescribed kind of treatment.8