Coverage: Live radio commentary on Tennis Breakfast from 07:00 GMT on BBC 5 Sports Extra, plus live text commentaries on the BBC Sport website and app Joao Fonseca had a Grand Slam debut to remember as he knocked out ninth seed Andrey Rublev in the first ...

In his first-ever Grand Slam match, Fonseca defeated World No. 9 Andrey Rublev in straight sets: 7-6 (1), 6-3, 7-6 (5). The match was evenly contested, but Fonseca was dominant with his power and agility.

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.

Brazilian teenager Joao Fonseca began his Grand Slam career in spectacular fashion as the qualifier took down Russian ninth seed Andrey Rublev 7-6(1) 6-3 7-6(5) in the first round of the Australian Open on Tuesday.

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

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Teenage sensation Joao Fonseca announced himself on the big stage by knocking out ninth seed Andrey Rublev in the first round of the Australian Open.

Tennis Australian Open 3 Reaction Update 6

Fearless teenage qualifier Joao Fonseca beat ninth seed Andrey Rublev on his Grand Slam debut on Tuesday in the biggest shock of the Australian Open so far. Fonseca won a second ATP Challenger Tour title in Canberra this month,