Swiatek, who defeated Britain’s Emma Raducanu 6-1 6-0 within the third spherical, conceded simply 10 factors as she wrapped up the primary set in 24 minutes.
She had received 20 straight video games throughout the 2 matches earlier than Germany’s Lys, ranked 128th on this planet, finally managed to carry serve.
“Often I do not really feel comfy with my recreation on the Australian Open, however this 12 months it’s a bit higher,” mentioned Swiatek, who will substitute Aryna Sabalenka as world primary if the defending champion fails to succeed in the semi-finals.
Lys was the primary girls’s singles fortunate loser to succeed in the Australian Open fourth spherical within the Open period and he or she described her run in Melbourne as “the nicest week in my life”.
The 23-year-old had her flight dwelling booked after dropping within the last spherical of qualifying, however she was given a spot in the principle draw following Anna Kalinskaya’s withdrawal.
“I’ve had numerous nights the place I used to be truly speaking to my mother and father, usually with tears, asking, ‘When will the time come?’,” Lys mentioned.
“As a result of I do know I’ve the potential, however typically I used to be the one individual that’s actually standing in my very own approach.
“Every thing simply got here all the way down to this week the place on one aspect it is positively the tennis I performed, but in addition it was the luck to start with.”
Swiatek will face Emma Navarro within the final eight after the American eighth seed clinched a slim 6-4 5-7 7-5 win in opposition to Russian Daria Kasatkina, the ninth seed.