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

At just 18, João Fonseca is putting the tennis world on notice, as illustrated by his clinical straight-sets victory over ninth seed Andrey Rublev at the Australian Open.

Daniil Medvedev ripped 24 aces and converted six break points to outlast Kasidit Samrej in a 3-hour, 8-minute first-round victory Tuesday at the 2025 Australian Open. No. 9 Andrey Rublev was the latest upset victim.

Joao Fonseca (No. 113) will meet Andrey Rublev (No. 9) in the Round of 128 at the Australian Open on Saturday, January 11.Rublev’s last match was a win, 6-4, 7-5, over Alejandro Davidovich

Australian Open is showcasing a crop of young men's players who are better equipped for the changes in tennis than their elders.

Fonseca was part of the 2024 lineup alongside Fils and Luca Van Assche of France; Michelsen, eventual finalist Learner Tien and Nishesh Basavareddy of the U.S.; Jakub Mensik of the Czech Republic and Shang Juncheng of China, who also goes by his Americanized name, Jerry Shang.

We wrap up the first round of the Australian Open on Day 3, with 20 men’s matches on the schedule. As always, our writers here at LastWordOnTennis share their thoughts on every single match with you.

In a highly entertaining Australian Open first round match, 18-year-old Joao Fonseca defeated ninth ranked Andrey Rublev.

Players are represented by characters that look like something out of a Wii game — not exactly perfect portrayals of Coco Gauff or Novak Djokovic, perhaps, but they try to show the correct outfits.

João Fonseca has definitively introduced himself to the world as the latest teen sensation in men’s tennis by upsetting No. 9 seed Andrey Rublev 7-6 (1), 6-3, 7-6 (5) in the first round of the Australian Open.

Prediction for the ATP Australian Open match which will take place on January 14. Who will turn out to be stronger? Check the team conditions! Several betting options are available.