The 2nd seed Karen Khachanov is through to his first ATP semi-final since Beijing 2019, beating Botic Van de Zandschulp 6-7, 7-5, 6-3 in two hours and 36 minutes. Karen couldn't break the ATP debutant's resistance for almost two hours, losing the opening set and fending off two match points at 4-5 in set number two to gather momentum.
After that, Khachanov broke at love to open a 6-5 gap and seized the fifth set point in game 12 to force a decider. The Russian grabbed breaks at the beginning and the end to control the scoreboard and enter the last four. Stefano Travaglia ousted the Delray Beach champion Hubert Hurkacz 3-6, 6-3, 7-5 in two hours for his first ATP semi-final at 29!
The Pole won the opening set with two breaks before the Italian rattled off three straight games at 3-3 in set number two to force a decider. They traded four consecutive breaks in the final set, and Travaglia grabbed 12 of the last 15 points to advance into the next round.
In the battle of two young guns, Jannik Sinner defeated Miomir Kecmanovic 7-6, 6-4 in just under two hours, advancing into the semi-final at third of the previous four tournaments. Both players faced eight break points, and Jannik saved six of those, delivering three breaks that carried him over the top.
The opening set lasted for 75 minutes, and it was a roller coaster ride with back-to-back breaks in games four and five.
Karen Khachanov and Jannik Sinner are through into the last four in Melbourne.
Miomir saved three set points at 5-6 and five more in the tie break, simply refusing to surrender.
It was the Serb's turn to earn set points, three in a row, denied by Sinner, who prevailed 12-10 for a massive boost. From 3-2 down in set number two, Jannik grabbed four of the next five games to move over the top and stay on the title course.
The Brazilian Thiago Monteiro is through to his first ATP semi-final since Quito 2018 following a 6-4, 6-4 triumph over Jordan Thompson in an hour and 21 minutes. The Brazilian lost 11 points in ten service games and never faced a break chance, mounting the pressure on the other side and breaking Thompson's serve once in each set to join Khachanov, Travaglia and Sinner in the semis.