American teenager Learner Tien produced arguably the biggest shock of the Australian Open so far as he defeated last year’s runner-up Daniil Medvedev in five sets, 6-3, 7-6 (4), 6-7 (8), 1-6, 7-6 (7).

Brazilian teenager Joao Fonseca stunned ninth seed Andrey Rublev in a major Australian Open shock on Tuesday as racquet-smashing 2024 finalist Daniil Medvedev narrowly avoided the same fate.

The Australian Open has entered its third round with only 32 players remaining in both the men’s and women’s draws. Initially, 32 seeded players were expected to have a clear path until at least the third round,

In a stunning Australian Open upset, 19-year-old American qualifier Learner Tien knocked out former finalist Daniil Medvedev in a thrilling five-set marathon.

The 19-year-old who was a late qualifier to the Grand Slam secured the biggest win of his young career on Thursday

MELBOURNE - Learner Tien celebrated his shock Australian Open victory over three-times runner-up Daniil Medvedev in true teenage fashion, seeking out a well-earned pizza after edging a five-set thriller to progress to the third round.

Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third round since Pete Sampras in 1990, upsetting Daniil Medvedev in five sets Thursday.

At this year’s Australian Open, teens have knocked out three top 10 players in the men’s singles. In contrast, there hasn’t been much of a disruption in the women’s game

Reigning French Open and Wimbledon champion Alcaraz certainly knows what it takes to make an impact from a young age

A series of jaw-dropping upsets of top 10 players at the Australian Open by fearless teenagers has fuelled excitement at the future of men's tennis as the old guard fades into history.

Former world No. 1 and three-time Australian Open finalist Daniil Medvedev was knocked out of the second round of the Australian Open by debutant Learner Tien.