Back spasms forced Elina Svitolina out of the AO fourth round in pain, but she takes pride in her nation's performance.
Late finishes down under are part of a larger problem in pro tennis.
"It's not a match that I thought I lost physically," Aussie No. 1 said after a four hour, 14-minute AO loss to Andrey Rublev.
Marta Kostyuk reached her first major quarterfinal, and two other Ukrainian women could join her.
The American picked up his first Top-10 win at a major - and set a date with Novak Djokovic in the quarterfinals.
World No. 1 sees two main reasons for her stunning AO upset.
Zheng Qinwen got some face time and hugs from her idol at the Australian Open on Day 7.