At the Grand Slam tennis tournament in Melbourne, the 19-year-old Pole, ranked world No. 17 by the Women's Tennis Association (WTA), won the first set 6:3 but then succumbed 1:6, 4:6.
The Polish player in October won the French Open, claiming her maiden Grand Slam title and becoming the first Pole to lift a Grand Slam singles trophy.
On Saturday, Iga Świątek and Łukasz Kubot beat Australia's mixed doubles pair Astra Sharm and John-Patrick Smith 5:7, 7:6 (8-6), 10-6 after a match that lasted near on two hours.
Earlier, Łukasz Kubot partnered by Wesley Koolhof of the Netherlands advanced to the second round of the men's doubles competition in Melbourne.
The 2021 Australian Open runs until February 21.
Source: IAR, PAP
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