Fifth-seeded Alex de Minaur of Australia overcame an inconsistent serving performance to beat Tunisia's Skander Mansouri 6-4, 6-4 in the first round at Los Cabos, Mexico. de Minaur put just 47 percent of his first serves in play, but those serves were effective when they were accurate, as he won 22 of 26 points. He failed to save any of the three break points on his serve, but he broke Mansouri's serve on five of 11 opportunities. Seventh-seeded Dominik Koepfer of Germany cruised to a 6-4, 6-3 victory over Chile's Tomas Barrios Vera. Also winning their openers were sixth-seeded Nicolas Jarry of Chile, Belarus' Ilya Ivashka, Croatia's Borna Gojo, Australia's James Duckworth and Taiwanese lucky loser Jason Jung. Agencies
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