American Learner Tien kept the teenage revolution going at the Australian Open by reaching the last 16 on Saturday after 38-year-old Gael Monfils had made a statement for the older player with a stunning upset of fourth seed Taylor Fritz.

Shelton entered the tournament after losing his first match of the 2025 season at the ASB Classic in Auckland. The 22-year-old started his campaign in Melbourne after beating compatriot Brandon Nakashima 7-6 (3), 7-5, 7-5. He followed this up with a 6-3, 6-3, 6-7 (4), 6-4 win to set up a third-round clash with 16th seed Lorenzo Musetti.

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

The much-loved hero watched on in disbelief as the miraculous effort swung the match in his opponent’s favour.

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

American Learner Tien kept the teenage revolution going at the Australian Open by reaching the fourth round after 38-year-old Gael Monfils had made a big statement for the old guard.

World number four Taylor Fritz's exit means five of the top 10 men's seeds have now been knocked out of the season's first major

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.

Learner Tien and Alex Michelsen were born about 15 months apart and first crossed paths a decade ago when they were playing in Southern California tennis tournaments for kids.

Jannik Sinner will face his trickiest test yet at the Australian Open when the defending champion battles Dane Holger Rune in the fourth round on Monday, while fivetimes Grand Slam winner Iga Swiatek will be the heavy favourite against lucky loser Eva Lys.

MELBOURNE - Jannik Sinner will face his trickiest test yet at the Australian Open when the defending champion battles Dane Holger Rune in the fourth round on Monday, while five-times Grand Slam winner Iga Swiatek will be the heavy favourite against lucky loser Eva Lys.