Alcaraz is back -- and a threat to repeat as US Open champ

Carlos Alcaraz returned to the US Open on Monday following a four-month injury absence. He secured a straight-sets victory over Roman Safiullin, winning the match 6-4, 6-4, 6-4.

The performance indicates that Alcaraz has regained his physical fitness. His successful return establishes him as a contender to defend the US Open title he previously won.