World number one Carlos Alcaraz made an emphatic start to his Miami Open title defence, defeating Argentina's Facundo Bagnis 6-0, 6-2 on Friday.
The 19-year-old Spaniard, the youngest ever player to top the rankings, is looking to complete the "Sunshine Double" after beating Daniil Medvedev in last week's Indian Wells final.
Alcaraz made a blistering start winning the first 11 points of the match, with the 33-year-old Bagnis having no answer at all to the teenager's powerful serve.
There was a loud cheer from the crowd at Hard Rock Stadium when Bagnis, who has never beaten a top 20 ranked player, held serve in the second set and then broke Alcaraz to make it 2-2.
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