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.

MELBOURNE - Veteran Gael Monfils has rolled back the years in recent weeks with a string of incredible performances, but the Frenchman said he had exceeded his limit after retiring hurt from his fourth-round Australian Open match against Ben Shelton on Monday.

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

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.

Italian top seed again dropped a set before beating dangerous Dane Holger Rune; Australian TV reporter apologises to Novak Djokovic.

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.

Gael Monfils rallied from a set down to claim a thrilling 3-6, 7-5, 7-6 (1), 6-4 win over American Taylor Fritz in a third-round match at the Australian Open.

Gael Monfils has joined Roger Federer as the only men to reach the Australian Open’s fourth round at age 38 or older since the tournament field expanded to 128 players in 1988

Here is everything you need to know about Taylor Fritz vs. Gael Monfils, including TV and streaming options for the match.

In his 19th Australian Open appearance, 38-year-old Monfils toppled US world No. 4 Taylor Fritz in four sets to reach the fourth round in Melbourne for the sixth time.

French veteran Gael Monfils stunned fourth seed Taylor Fritz on Saturday to become the second-oldest man ever to make the last 16 at Melbourne Park after Roger Federer.

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.