Karen Khachanov defeated Kevin Anderson 6-3, 7-6 in an hour and 37 minutes to reach the Great Ocean Road Open quarter-final. Karen won ten points more and prevailed in the decisive moments to find himself over the top, earning one break in the opener and repelling all five break chances offered to the South African.
Players wasted their opportunities on the return in games three and four before Khachanov scored a break at 3-2 to forge the advantage. The Russian converted the fourth set point at 5-3 to wrap up the opener and gain a boost ahead of set number two.
There, they had to endure one challenging service game before entering a tie break that Karen won 7-5 to emerge at the top. The Delray Beach champion Hubert Hurkacz is through to the last eight in Melbourne following a 7-5, 7-5 triumph over Pablo Cuevas in an hour and 27 minutes.
The Pole erased six out of seven break points and seized all three opportunities to seal the deal and avoid a decider. Hurkacz scored the first break at 6-5 in the first set, right on time to put it into his pocket. They traded breaks in games three and four in set number two, with more chances for Cuevas at 5-5.
Karen Khachanov, Jannik Sinner and Hubert Hurkacz are through to the quarters.
The Uruguayan wasted two break chances, which cost him dearly, losing serve in the next game to push the Pole over the top. The young Italian Jannik Sinner ousted Aljaz Bedene 7-6, 6-2 in an hour and 32 minutes.
Jannik lost 19 points in ten service games, fired nine aces and fended off all three break chances to keep the pressure on the other side. Bedene wasted two break points in the opening set, serving well but failing to wrap up the set despite a set point in the tie break.
Sinner prevailed 8-6 and gathered a massive boost, serving well in set number two and earning breaks in games three and seven to remain on the title course. Botic Van de Zandschulp stunned Reilly Opelka 7-6, 7-6 in an hour and 45 minutes, winning five points more than the American and fending off two set points at 5-6 in the opening set.
The Dutch player stood strong in the second set tie break to cross the finish line and reach the quarter-final on his ATP debut.