Round of 16 action at the Australian Open features young American Alex Michelsen against Australia’s hope Alex de Minaur, while the ageless Gael Monfils squares off with Ben Shelton.

American Learner Tien kept the teenage revolution going at the Australian Open by reaching the fourth round on Saturday after 38-year-old Gael Monfils had made a big statement for the old guard with a stunning win over fourth seed Taylor Fritz.

It was a day to remember at the Australian Open, with Learner Tien becoming the youngest to reach the fourth round since Rafael Nadal in 2005 and Gael Monfils defying age to tie French records and make history.

Alex de Minaur overcame a one-set deficit and his own serving yips Saturday afternoon to defeat 31st-seed Francisco Cerundolo in a marathon third-round Australian Open match.

Frenchman Monfils is only the second player aged 38 or over, after Roger Federer, to make the last 16 in Melbourne since 1988. He is enjoying quite the start to 2025 after becoming the oldest ever winner of an ATP Tour singles title in Auckland last weekend.

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

American player and world No. 4 Taylor Fritz will face France's Gael Monfils tonight in Margaret Court Arena following the women's singles match between U.S. player Emma Navarro and Ons Jabeur. The match will take place in Margaret Arena no sooner than 9 p.m. ET/6 p.m. PT today.

Jannik Sinner continues Australian Open defence with straightforward win; Gael Monfils, 38, dumps out fourth seed Taylor Fritz; American teen sensation Learner Tien also progresses in Melbourne; watch

MELBOURNE - American Learner Tien kept the teenage revolution going at the Australian Open by reaching the fourth round on Saturday after 38-year-old Gael Monfils had made a big statement for the old guard with a stunning win over fourth seed Taylor Fritz.

Iga Swiatek demolished Emma Raducanu on Saturday to sweep into the last 16 of the Australian Open as 38-year-old Frenchman Gael Monfils ... against Argentina's Francisco Cerundolo and will face ...

Follow Mail Sport's live blog for the latest score, and game-by-game updates as Eva Lys and Iga Swiatek square off beofre Alex de Minaur takes on American star Alex Michelsen.