Ukrainian tennis player Dayana Yastremska secured her spot in the quarterfinals of the Australian Open, defeating Victoria Azarenka 2-0 (6-7, 4-6). Meanwhile, her compatriot Elina Svitolina faced an unfortunate exit as she had to retire during the 1/8 final match against Linda Noskova, according to the match results. Australian Open, 4th Round, Women’s Singles Azarenka – Yastremska – 0:2 (6:7, 4:6) Noskova – Svitolina – 0:0 (3:0, retired) Yastremska displayed a commanding performance, overcoming former world No. 1 Victoria Azarenka in straight sets. The Ukrainian took an early lead with a brea…