Karen Khachanov defeated Kevin Anderson 6-3, 7-6 in an hour and 37 minutes and reached the quarter-finals of the Great Ocean Road Open. Karen gained ten points more and prevailed in the crucial moments to outdo herself.
He got a break in the first set and rejected all five break chances offered to the South African. Players took their chances on return in games three and four before Khachanov scored a 3-2 break to gain the advantage.
The Russian converted the fourth setpoint to 5: 3 to complete the first set and get a boost before set number two. There they had to pass a challenging serve game before entering a tie-break, which Karen won 7-5 to get to the top.
The Delray Beach Open champion Hubert Hurkacz is through to the last eight after a 7: 5, 7: 5 triumph over Pablo Cuevas in one hour and 27 minutes in Melbourne. The Pole cleared six of seven breakpoints and used all three opportunities to seal the deal and avoid a third set.
Hurkacz hit the first break in the first set 6-5 to win it. They swapped breaks in games three and four in set two, with more chances for Cuevas at 5-5.
Karen Khachanov, Jannik Sinner and Hubert Hurkacz reach the quarter-finals
The Uruguayan missed two bad breaks and lost his serve in the next game to bring the Pole to the top.
The young Italian Jannik Sinner ousted Aljaz Bedene 7: 6, 6: 2 in one hour and 32 minutes. Jannik lost 19 points in ten service games, shot nine aces and blocked all three break chances to keep the pressure on keep other side.
Bedene wasted two breakpoints in the opening set, served well, but was unable to complete the set despite a set point in the tie-break. Sinner prevailed 8: 6 and achieved a massive boost.
He prevailed well in the second set and broke his opponent’s serve in games three and seven to stay on course for the title. Botic Van de Zandschulp stunned Reilly Opelka in one hour and 45 minutes with 7: 6, 7: 6, won five points more than the American and fended off two sentence points with 5: 6 in the first set.
The Dutch player was strong in the second set to cross the finish line and reach the quarter-finals on his ATP debut. 
