Ruthless defending champion Jannik Sinner was in the zone Saturday as he powered into the last 16 of the Australian Open with ...

Awaiting him next is either Serbian Miomir Kecmanovic or Danish 13th seed Holger Rune ... with Brailian Joao Fonseca and Czech Jakub Mensik also bundling out top 10 seeds. But Tien is the last ...

Tien, Fonseca and 19-year-old Czech Jakub Mensik tore up the form guide by dumping out ... I made mistakes but it's okay," ...

Fifth seed Daniil Medvedev is out of the Australian Open after losing a five-set thriller to teenager Learner Tien in the biggest upset of the tournament so far.

The Czech has also arguably had the tougher route to reach this stage, needing to upset Holger Rune 7-5 6-3 in ... Frances Tiafoe in straight sets. Jakub Mensik also has a lot of upside, coming ...

At 19 years of age, Learner Tien becomes the youngest man to reach the Australian Open fourth round since Rafael Nadal.

American Learner Tien kept the teenage revolution going at the Australian Open by reaching the fourth round on Saturday after ...

British number one Jack Draper wins epic match against Aleksandar Vukic to reach fourth round of Australian Open.

Lehecka was then immediately back in action with countryman Jakub Mensik ... World No.28 Lehecka, who beat third seed Holger Rune in the first round, progressed to the final after defending ...