After 1am in Perth, extremely rare or never that this occurs even at the Aus Open 
Also, reckon Nine would’ve replayed it today (either a truncated version or in full), but probably unlikely now that Kokkinakis agonisingly lost, though no doubt the talk of town today.
Johnson and I commented here too:
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updated
Nine must be disappointed, ‘adopted aussie’ Tsitsipas not in prime time tonight, instead at midday. I know they can’t have it all their own way, but surprising.