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.

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.

French veteran Gaël Monfils rolled back the years to stun the USA’s No. 4 seed Taylor Fritz in the third round of the Australian Open on Saturday, winning 3-6 7-5 7-6(1) 6-4 after three hours and eight minutes of scintillating tennis.

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.

Jannik Sinner battled through illness to reach the quarter-finals of the Australian Open on Monday as his Italian compatriot Lorenzo Sonego ended teenager Learner Tien's fairytale run. Madison Keys la

Sinner will play No. 8 Alex de Minaur of Australia or unseeded Alex Michelsen of the U.S. A second Italian joined Sinner in the quarterfinals when 55th-ranked Lorenzo Sonego got that far at a major tournament for the first time by ending the run of American qualifier Learner Tien 6-2, 6-3, 3-6, 6-1.

Elina Svitolina says it’s a great outing for her and veteran husband Gael Monfils as they stun World No. 4s Jasmine Paolini, Taylor Fritz in their respective

Given the task of facing off against the 18-year-old qualifier Joao Fonseca, Lorenzo Sonego found a way through in five sets on Thursday at the Australian Open 6-7, 6-3, 6-1, 3-6, 6-3. Fonseca was ...

No. 112-ranked Joao Fonseca will meet No. 55 Lorenzo Sonego in the Australian Open Round of 64 on Wednesday, January 15. In his last time out, Fonseca was defeated by Eliot Spizzirri 6-7 ...

World No. 1 Jannik Sinner fought through blistering heat and an undisclosed ailment to defeat Holger Rune 6-3, 3-6, 6-3, 6-2 and advance to the quarterfinals of the Australian Open

The World No. 1, despite feeling unwell in sweltering conditions, kept up his title defense with a four-set triumph.

First came the medical timeouts, one each for Jannik Sinner and Holger Rune with the temperature above 90 degrees Fahrenheit (32 Celsius) at the Australian Open.