In the quarter-finals of the tournament in Adelaide, Australia, the young American Sebastian Korda eliminated the No. 6 seed, the Italian Jannik Sinner, in straight sets, 7-5, 6-1.
Quarter-finals:
Daniil Medvedev (RUS/N.3) beat Karen Khachanov (RUS/N.8) 6-3, 6-3
Yoshihito Nishioka (JAP) bat Alexei Popyrin (AUS) 7-6 (7/4), 6-7 (8/10), 6-2
Sebastian Korda (EU) beat Jannik Sinner (ITA/N.6) 7-5, 6-1
