Former US Open champion Emma Raducanu has criticised the scheduling at the Australian Open starting on Sunday, saying "it does not make sense".
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The 2021 winner at Flushing Meadows begins her Melbourne campaign in the last match of the first day on Margaret Court Arena, following a men's clash.
If the first-round match between Kazakhstan's 10th seed Alexander Bublik and Jenson Brooksby of the United States goes to five sets, Raducanu could be looking at a start close to midnight.
The 23-year-old Briton, who faces Mananchaya Sawangkaew of Thailand, said: "I think it's very difficult to be scheduling women's matches after a potential five-set match.
"To me, it doesn't really make as much sense.
"But I think after seeing it, you know, the initial reaction is probably, oh, it's a late one.
"Then you deal with it, and you try and shift your day and adjust."
The 28th-seeded Raducanu faces a tight turnaround after travelling to Melbourne following her quarterfinal defeat on Thursday in a warm-up event in Hobart.
"You would love to have more time in the environment, more time practising," she said.
"But I guess I was pretty much handed the schedule to try and turn it around and make the most out of what is in front of me."