Coleman Wong defeated Daniel Altmaier 6–4, 6–3 in the opening round of the Miami Masters on hard court, pulling off a significant upset over the pre-match favourite. Altmaier entered as the clear favourite at 1.36 odds, but Wong's superior court positioning and consistency throughout both sets proved decisive. The Hong Kong-based player broke serve at crucial moments to secure both sets with relative comfort, demonstrating the form that has earned him recognition on the ATP circuit. This victory represents a notable scalp for Wong early in the tournament and suggests momentum heading into the second round.