Jannik Sinner battled through illness and reached the quarter-finals of the Australian Open on Monday but the physical demands of Grand Slam tennis proved too much for French veteran Gael Monfils and American teenager Learner Tien.

Learner Tien, 19, beats Corentin Moutet while Gael Monfils, 38, defeats fourth seed Taylor Fritz to reach the Australian Open fourth round.

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.

A lopsided head-to-head can scramble players' brains and create strange dynamics. Here is how tennis pigeons cope.

Welcome to the Australian Open briefing, where will explain the stories behind the stories on each day of the tournament. On day nine, Gael Monfils’ magical run came to a close as remarkable exploits caught up to players all over Melbourne Park.

After his historic win, Monfils returned to Margaret Court Arena and sat in the stands to watch his wife, Svitolina, eliminate the women's No. 4 seed, two-time major finalist Jasmine Paolini 2-6, 6-4, 6-0 at night.

Elina Svitolina has opened up about the winning formula for her and husband, French veteran Gael Monfils, after the tennis power couple charged into the fourth round at the Australian Open with upset wins over No.

Defending champion Jannik Sinner raced to victory at the Australian Open on Saturday to sweep into the last 16 as Iga Swiatek demolished Emma Raducanu.

Here is everything you need to know about Ben Shelton vs. Lorenzo Sonego, including TV and streaming options for the match.

Swiatek, Svitolina, Keys, Sonego and Shelton also make it through to the last-eight stage on a hot day in Melbourne.

Almost half of the men's singles top 10 seeds won't feature in the second week of the Australian Open after being knocked out by teenagers.