Jannik Sinner defeated Vit Kopriva 6–1, 6–1, 6–2 in the first round of the US Open on hard court on 26 August 2025, a result entirely consistent with pre-match odds that heavily favoured the Italian. Sinner's dominance was evident from the outset, securing the opening two sets with near-identical scorelines before extending his advantage in the third. Kopriva, the substantial underdog at 27.37 odds, offered minimal resistance against the world number one. The comprehensive victory required minimal time and effort from Sinner, who moved through to the second round without apparent strain. The performance underscores Sinner's status as the tournament favourite and suggests momentum heading into the latter stages of the draw.