Carlos Alcaraz made a solid start to the ATP Finals on Sunday with a 7-6 (7/5), 6-2 win over Alex de Minaur, while former champion Alexander Zverev got underway with a straight-sets win over Ben Shelton. It was the first time that the Spaniard had won his opening match at the finals. He lost to Zverev and Casper Ruud in the last two years.