Jannik Sinner advanced to the Australian Open quarter-finals, overcoming illness, while Lorenzo Sonego ended Learner Tien's dream run. Madison Keys surprised Elena Rybakina, and Elina Svitolina uplifted Ukraine by defeating Veronika Kudermetova.

Highlights of the ninth day of the Australian Open on Monday (times GMT): 0702 SONEGO THROUGH TO FIRST SLAM QUARTER-FINAL Italy's Lorenzo Sonego reached the quarter-finals of a Grand Slam for the first time with a 6-3 6-2 3-6 6-1 victory over American qualifier Learner Tien.

Day nine of the Australian Open saw Lorenzo Sonego and Elina Svitolina advance to the quarter-finals with impressive wins. Jannik Sinner overcame a medical timeout to beat Holger Rune, while Madison Keys stunned Elena Rybakina.

and plays the Russian player Veronika Kudermetova. The boy wonder is at it again: Joao Fonseca converts his fourth set-point to take the opening set against Lorenzo Sonego, much to the delight of ...

In the Australian Open Round of 16 on Sunday, No. 75-ranked Veronika Kudermetova meets No. 27 Elina Svitolina. Kudermetova enters the Round of 16 after her two-set win on Saturday over Beatriz ...

Lorenzo Sonego has qualified for the Round of 16 at the Australian Open. In the third round, the player from Piedmont defeated Hungarian Fabian Marozsan in four sets with scores of 6-7 ...

Learner Tien (No. 121) will meet Lorenzo Sonego (No. 55) in the Round of 16 at the Australian Open on Sunday, January 19. Sonego defeated Fabian Marozsan 6-7, 7-6, 6-1, 6-2 on Friday in the Round ...

Follow live radio commentary of Katie Boulter in Australian Open second round - radio and live text later on Katie Boulter, Jannik Sinner and Daniil Medvedev.

Defending champion Jannik Sinner beats world number 173 Tristan Schoolkate 4-6 6-4 6-1 6-3 RESULT: Katie Boulter loses 7-6 (7-3) 2-6 6-2 to Veronika Kudermetova in second round RESULT: Emma ...

Boulter pressed for the break on 15-0 but Kudermetova produced excellent ... Elsewhere at the Australian Open, Lorenzo Sonego has hit back against Joao Fonseca. The Italian is now leading after ...