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).

At the age of 19, Learner Tien defeated Daniil Medvedev in a five-set thriller that finished just before 3 a.m. in Melbourne.

Daniil Medvedev sent a strange message to Kasidit Samrej after storming back to beat the Thai wildcard in the first round of the Australian Open. The world No. 418 led by two-sets-to-one but Medvedev survived a thriller, winning 6-2 4-6 3-6 6-1 6-2. Afterwards, he told Samrej that he could get "money and girls" if he continued to play the same way.

Daniil Medvedev used his racket to smash a camera attached to the net during a tricky opening round win at this year’s Australian Open.

I know I play better when I play more tennis,” Medvedev had quipped. “So why play one hour 30, I need minimum three hours to feel my shots better.” On Thursday, he came a

Learner Tien has become the youngest American man to reach the Australian Open’s third round since Pete Sampras in 1990

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